JG Finneran

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J.G. Finneran Associates is a manufacturer and supplier of unique and innovative products for the global chromatography, biotechnology, environmental, and laboratory communities. Our products deliver reliable performance while expediting and simplifying the analysis process. J.G. Finneran Associates is the original inventor and designer of many products that are commonplace in the laboratory. These items include Snap Ring Vials, Snap Top Caps, and Limited Volume Inserts with polymer bottom springs. We have been in business for over 34 years and will continue to provide our customers with the tools that can expand their capabilities, increase efficiency in the lab, reduce costs, and make their work easier.

11mm Red Snap Cap Seal with Starburst 5200SB-11R

5200SB-11R
11mm Red Snap Cap Seal with Starburst

11mm Red Snap Cap, 10mil PTFE Lined 5210-11R

5210-11R
11mm Red Snap Cap, 10mil PTFE Lined

11mm Red Snap Cap, PTFE/Butyl Rubber Lined 5240-11R

5240-11R
11mm Red Snap Cap, PTFE/Butyl Rubber Lined

11mm Red Snap Cap, PTFE/Silicone Lined 5250-11R

5250-11R
11mm Red Snap Cap, PTFE/Silicone Lined

11mm Red Snap Cap, PTFE/Silicone with Slit Lined 5270-11R

5270-11R
11mm Red Snap Cap, PTFE/Silicone with Slit Lined,5270-11R

11mm Red Snap Cap, PTFE/Silicone/PTFE Lined 5260-11R

5260-11R
11mm Red Snap Cap, PTFE/Silicone/PTFE Lined

11mm Silver Magnetic Seal, Clear PTFE/Red Rubber Lined 5140M-11

5140M-11
11mm Silver Magnetic Seal, Clear PTFE/Red Rubber Lined

11mm Silver Magnetic Seal, PTFE/Silicone Lined 5150M-11

5150M-11
11mm Silver Magnetic Seal, PTFE/Silicone Lined

11mm Silver Magnetic Seal, PTFE/Silicone/PTFE Lined 5160M-11

5160M-11
11mm Silver Magnetic Seal, PTFE/Silicone/PTFE Lined

11mm Silver Seal, 10mil PTFE Lined 5110-11

5110-11
11mm Silver Seal, 10mil PTFE Lined

11mm Silver Seal, 1mm Thick Clear PTFE/Blue Silicone Septa, Ultra Low Bleed 5150UL-11

5150UL-11
11mm Silver Seal, 1mm Thick Clear PTFE/Blue Silicone Septa, Ultra Low Bleed

11mm Silver Seal, Black Viton® Lined 5190-11

5190-11
11mm Silver Seal, Black Viton® Lined

11mm Silver Seal, Clear PTFE/Butyl Rubber Lined,5141-11

5141-11
11mm Silver Seal, Clear PTFE/Butyl Rubber Lined,5141-11

11mm Silver Seal, Clear PTFE/Red Rubber Lined 5140-11

5140-11
11mm Silver Seal, Clear PTFE/Red Rubber Lined

11mm Silver Seal, Polypropylene Lined 5120-11

5120-11
11mm Silver Seal, Polypropylene Lined

11mm Silver Seal, PTFE/Silicone Lined 5150-11

5150-11
11mm Silver Seal, PTFE/Silicone Lined

11mm Silver Seal, PTFE/Silicone with Slit 5170-11

5170-11
11mm Silver Seal, PTFE/Silicone with Slit

11mm Silver Seal, PTFE/Silicone/PTFE Lined 5160-11

5160-11
11mm Silver Seal, PTFE/Silicone/PTFE Lined

11mm Stainless Steel Corrosion Resistant Hand Operated Crimper, Adjustable 9300-11SS

9300-11SS
11mm Stainless Steel Corrosion Resistant Hand Operated Crimper, Adjustable

11mm Stainless Steel Corrosion Resistant Hand Operated Crimper, Adjustable, with Grips 9306-11SS

9306-11SS
11mm Stainless Steel Corrosion Resistant Hand Operated Crimper, Adjustable, with Grips

11mm Stainless Steel Corrosion Resistant Hand Operated Decapper 9320-11SS

9320-11SS
11mm Stainless Steel Corrosion Resistant Hand Operated Decapper

11mm Stainless Steel Corrosion Resistant Hand Operated Decapper, with Grips 9326-11SS

9326-11SS
11mm Stainless Steel Corrosion Resistant Hand Operated Decapper, with Grips

11mm Yellow Poly Crimp™ Seal, 10mil PTFE Lined [Patented] 5510-11Y

5510-11Y
11mm Yellow Poly Crimp™ Seal, 10mil PTFE Lined [Patented]

11mm Yellow Poly Crimp™ Seal, PTFE/Butyl Rubber Lined [Patented] 5540-11Y

5540-11Y
11mm Yellow Poly Crimp™ Seal, PTFE/Butyl Rubber Lined [Patented]

11mm Yellow Poly Crimp™ Seal, PTFE/Silicone Lined [Patented] 5550-11Y

5550-11Y
11mm Yellow Poly Crimp™ Seal, PTFE/Silicone Lined [Patented]

11mm Yellow Poly Crimp™ Seal, PTFE/Silicone/PTFE Lined [Patented] 5560-11Y

5560-11Y
11mm Yellow Poly Crimp™ Seal, PTFE/Silicone/PTFE Lined [Patented]

11mm Yellow Snap Cap Seal with Starburst 5200SB-11Y

5200SB-11Y
11mm Yellow Snap Cap Seal with Starburst

11mm Yellow Snap Cap, 10mil PTFE Lined 5210-11Y

5210-11Y
11mm Yellow Snap Cap, 10mil PTFE Lined

11mm Yellow Snap Cap, PTFE/Butyl Rubber Lined 5240-11Y

5240-11Y
11mm Yellow Snap Cap, PTFE/Butyl Rubber Lined

11mm Yellow Snap Cap, PTFE/Silicone Lined 5250-11Y

5250-11Y
11mm Yellow Snap Cap, PTFE/Silicone Lined

11mm Yellow Snap Cap, PTFE/Silicone with Slit Lined 5270-11Y

5270-11Y
11mm Yellow Snap Cap, PTFE/Silicone with Slit Lined,5270-11Y

11mm Yellow Snap Cap, PTFE/Silicone/PTFE Lined 5260-11Y

5260-11Y
11mm Yellow Snap Cap, PTFE/Silicone/PTFE Lined

11mm(7/16") Diameter Gray Low Bleed General Purpose Septa, Long Life - 100 Injections, Max Temp 200°C 606550LB-11G

606550LB-11G
11mm(7/16") Diameter Gray Low Bleed General Purpose Septa, Long Life - 100 Injections, Max Temp 200°C

12 Channel Reservoir, Clear PETG (PolyEthylene Terephthalate) TR100-12

TR100-12
12 Channel Reservoir, Clear PETG (PolyEthylene Terephthalate)

12 Channel Reservoir, White Polystyrene TR100-12PS

TR100-12PS
12 Channel Reservoir, White Polystyrene

125mL Amber Narrow Mouth Bottle, 50x116mm, 28mm Closure - Bulk Pack D0438B-4

D0438B-4
125mL Amber Narrow Mouth Bottle, 50x116mm, 28mm Closure - Bulk Pack

125mL Amber Narrow Mouth Bottle, 50x116mm, 28mm Closure D0438-4

D0438-4
125mL Amber Narrow Mouth Bottle, 50x116mm, 28mm Closure

125mL Amber Wide Mouth Bottle, 50x105mm, 38mm Closure - Bulk Pack D0434B-4

D0434B-4
125mL Amber Wide Mouth Bottle, 50x105mm, 38mm Closure - Bulk Pack

125mL Amber Wide Mouth Bottle, 50x105mm, 38mm Closure D0434-4

D0434-4
125mL Amber Wide Mouth Bottle, 50x105mm, 38mm Closure

125mL Natural Narrow Mouth Bottle, 50x103mm, 28mm Closure - Bulk Pack D0437B-4

D0437B-4
125mL Natural Narrow Mouth Bottle, 50x103mm, 28mm Closure - Bulk Pack

125mL Natural Narrow Mouth Bottle, 50x103mm, 28mm Closure D0437-4

D0437-4
125mL Natural Narrow Mouth Bottle, 50x103mm, 28mm Closure

125mL Natural Wide Mouth Bottle, 50x99mm, 38mm Closure - Bulk Pack D0433B-4

D0433B-4
125mL Natural Wide Mouth Bottle, 50x99mm, 38mm Closure - Bulk Pack

125mL Natural Wide Mouth Bottle, 50x99mm, 38mm Closure D0433-4

D0433-4
125mL Natural Wide Mouth Bottle, 50x99mm, 38mm Closure

128 oz, 4000mL Tall Wide Mouth Jar, 157x256mm, 89-400mm Thread, White Closure, PTFE Lined 9-194

9-194
128 oz, 4000mL Tall Wide Mouth Jar, 157x256mm, 89-400mm Thread, White Closure, PTFE Lined

128 oz, 4000mL Wide Mouth Jar, 155x250mm, 110-400mm Thread, White Closure, F217 Lined - Bulk Pack 9-206B

9-206B
128 oz, 4000mL Wide Mouth Jar, 155x250mm, 110-400mm Thread, White Closure, F217 Lined - Bulk Pack

128 oz, 4000mL Wide Mouth Jar, 155x250mm, 110-400mm Thread, White Closure, F217 Lined 9-206

9-206
128 oz, 4000mL Wide Mouth Jar, 155x250mm, 110-400mm Thread, White Closure, F217 Lined

12mm Blue Polyethylene Starburst Conical Snap Plug 5405SB-12B

5405SB-12B
12mm Blue Polyethylene Starburst Conical Snap Plug

12mm Chlorobutyl/Siliconized Versa Vial ™ Plug 5004-12

5004-12
12mm Chlorobutyl/Siliconized Versa Vial ™ Plug

12mm Clear Polyethylene Flat Top Snap Plug 5400FT-12

5400FT-12
12mm Clear Polyethylene Flat Top Snap Plug

12mm Clear Polyethylene Snap Plug with Pre-Scored Starburst 5410SB-12

5410SB-12
12mm Clear Polyethylene Snap Plug with Pre-Scored Starburst,5410SB-12

12mm Clear Polyethylene Starburst Conical Snap Plug 5405SB-12

5405SB-12
12mm Clear Polyethylene Starburst Conical Snap Plug

12mm Green Polyethylene Starburst Conical Snap Plug 5405SB-12G

5405SB-12G
12mm Green Polyethylene Starburst Conical Snap Plug

12mm Polyethylene Versa Vial™ Plug Green 5003-12G

5003-12G
12mm Polyethylene Versa Vial™ Plug Green

12mm PTFE/Silicone w/Slit Versa Vial ™ Plug 5070-12

5070-12
12mm PTFE/Silicone w/Slit Versa Vial ™ Plug

12mm Red Polyethylene Starburst Conical Snap Plug 5405SB-12R

5405SB-12R
12mm Red Polyethylene Starburst Conical Snap Plug

12mm White PTFE/Silicone Versa Vial ™ Plug 5005-12

5005-12
12mm White PTFE/Silicone Versa Vial ™ Plug

12mm x 0.040" PTFE/Butyl Rubber Septa 604040-13F

604040-13F
12mm x 0.040" PTFE/Butyl Rubber Septa

12mm x 0.040" PTFE/Red Rubber Septa 604040-13

604040-13
12mm x 0.040" PTFE/Red Rubber Septa

12mm x 0.060" Gray PTFE/Silicone Septa for Dram Vials, to fit 13-425mm Closure 606050G-13

606050G-13
12mm x 0.060" Gray PTFE/Silicone Septa for Dram Vials, to fit 13-425mm Closure

12mm Yellow Polyethylene Starburst Conical Snap Plug 5405SB-12Y

5405SB-12Y
12mm Yellow Polyethylene Starburst Conical Snap Plug

13.6mm x 0.060" Gray PTFE/Silicone Septa for Dram Vials, to fit 15-425mm Closure 606050G-15

606050G-15
13.6mm x 0.060" Gray PTFE/Silicone Septa for Dram Vials, to fit 15-425mm Closure

13-425mm Black Open Hole Polypropylene Closure, PTFE/Red Rubber Septa, 0.040" 804040-13

804040-13
13-425mm Black Open Hole Polypropylene Closure, PTFE/Red Rubber Septa, 0.040"

13-425mm Black Open Hole Polypropylene Closure, PTFE/Silicone/PTFE Septa, 0.040" 804060-13

804060-13
13-425mm Black Open Hole Polypropylene Closure, PTFE/Silicone/PTFE Septa, 0.040"

13-425mm Black Open Hole Polypropylene Closure, Red PTFE/Silicone Septa, 0.060” with Slit 806070-13

806070-13
13-425mm Black Open Hole Polypropylene Closure, Red PTFE/Silicone Septa, 0.060” with Slit

13-425mm Black Top Hat™ [Patented] Closure, Assembled with PTFE/Silicone Septa 806550TH-13

806550TH-13
13-425mm Black Top Hat™ [Patented] Closure, Assembled with PTFE/Silicone Septa

13-425mm Black, Polypropylene Glass Filled Open Hole Closure 5340-13

5340-13
13-425mm Black, Polypropylene Glass Filled Open Hole Closure

13-425mm Black, Polypropylene Open Hole Cap 5310-13

5310-13
13-425mm Black, Polypropylene Open Hole Cap

13-425mm Black, Polypropylene Open Hole Cap 5310-13(100)

5310-13(100)
13-425mm Black, Polypropylene Open Hole Cap

13-425mm Blue Open Hole Polypropylene Closure, Bonded PTFE/Silicone Septa, 0.060" 806061-13B

806061-13B
13-425mm Blue Open Hole Polypropylene Closure, Bonded PTFE/Silicone Septa, 0.060",806061-13B

13-425mm Blue, Polypropylene Open Hole Cap 5310-13B

5310-13B
13-425mm Blue, Polypropylene Open Hole Cap

13-425mm Green Ribbed Thermoset Solid Top Cap, PTFE/F217 Lined 5360PH-13G

5360PH-13G
13-425mm Green Ribbed Thermoset Solid Top Cap, PTFE/F217 Lined

13-425mm Green Ribbed Thermoset Solid Top Cap, PTFE/F217 Lined 5360PH-13G(100)

5360PH-13G(100)
13-425mm Green Ribbed Thermoset Solid Top Cap, PTFE/F217 Lined
10 in stock

13-425mm Green Ribbed Thermoset Solid Top Cap, PTFE/F217 Lined, Bulk Pack of 1000 B5360PH-13G

B5360PH-13G
13-425mm Green Ribbed Thermoset Solid Top Cap, PTFE/F217 Lined, Bulk Pack of 1000

13-425mm Green, Polypropylene Open Hole Cap 5310-13G

5310-13G
13-425mm Green, Polypropylene Open Hole Cap

13-425mm Phenolic Cap/PE Cone Liner D0396-13

D0396-13
13-425mm Phenolic Cap/PE Cone Liner

13-425mm Polypropylene Cap/PTFE Lined D0399-13

D0399-13
13-425mm Polypropylene Cap/PTFE Lined,D0399-13

13-425mm Red, Polypropylene Open Hole Cap 5310-13R

5310-13R
13-425mm Red, Polypropylene Open Hole Cap

13-425mm Solid Top, Black Polypropylene Cap Unlined 5320-13

5320-13
13-425mm Solid Top, Black Polypropylene Cap Unlined,5320-13

13-425mm Solid Top, Black Polypropylene Cap Unlined 5320-13(100)

5320-13(100)
13-425mm Solid Top, Black Polypropylene Cap Unlined,5320-13
74 in stock

13-425mm Solid Top, Black Polypropylene Cap, PTFE/F217 Lined 5360-13

5360-13
13-425mm Solid Top, Black Polypropylene Cap, PTFE/F217 Lined

13-425mm Solid Top, Black Polypropylene Cap, PTFE/F217 Lined 5360-13(100)

5360-13(100)
13-425mm Solid Top, Black Polypropylene Cap, PTFE/F217 Lined
10 in stock

13-425mm Solid Top, White Polypropylene Cap Unlined 5320-13W

5320-13W
13-425mm Solid Top, White Polypropylene Cap Unlined

13-425mm Solid Top, White Polypropylene Cap, PTFE/F217 Lined 5360-13W

5360-13W
13-425mm Solid Top, White Polypropylene Cap, PTFE/F217 Lined

13-425mm Top Seal™ Closure, 10mil 5330-13

5330-13
13-425mm Top Seal™ Closure, 10mil

13-425mm White Open Hole Polypropylene Closure, Red PTFE/Silicone Septa, 0.060” with Slit 806070-13W

806070-13W
13-425mm White Open Hole Polypropylene Closure, Red PTFE/Silicone Septa, 0.060” with Slit,806070-13W

13-425mm White, Polypropylene Open Hole Cap 5310-13W

5310-13W
13-425mm White, Polypropylene Open Hole Cap

13-425mm Yellow, Polypropylene Open Hole Cap 5310-13Y

5310-13Y
13-425mm Yellow, Polypropylene Open Hole Cap

13mm Clear Snap Cap, 10mil PTFE Lined 5210-13

5210-13
13mm Clear Snap Cap, 10mil PTFE Lined

13mm Clear Snap Cap, 10mil PTFE with Starburst Lined, 5282-13

5282-13
13mm Clear Snap Cap, 10mil PTFE with Starburst Lined

13mm Clear Snap Cap, PTFE/Butyl Rubber Lined 5240-13

5240-13
13mm Clear Snap Cap, PTFE/Butyl Rubber Lined

13mm Clear Snap Cap, PTFE/Silicone with Starburst Lined 5281-13

5281-13
13mm Clear Snap Cap, PTFE/Silicone with Starburst Lined

13mm Clear Snap Cap, PTFE/Silicone/PTFE with Starburst Lined 5280-13

5280-13
13mm Clear Snap Cap, PTFE/Silicone/PTFE with Starburst Lined

13mm Crimper Head for Flip Off Seals (For Power Crimper) 9300FO-PC-13

9300FO-PC-13
13mm Crimper Head for Flip Off Seals (For Power Crimper)

13mm Crimper Head for Flip Off Seals For Vertical Air Crimper (9300-VAC-02) 930FO-VAC-13

930FO-VAC-13
13mm Crimper Head for Flip Off Seals For Vertical Air Crimper (9300-VAC-02)

13mm Crimper Head For Power Crimper 9300-PC-13

9300-PC-13
13mm Crimper Head For Power Crimper

13mm Crimper Head for Vertical Air Crimper 9300-VAC-13

9300-VAC-13
13mm Crimper Head for Vertical Air Crimper

13mm De-crimper Head (decapper) For Power Crimper 9320-PC-13

9320-PC-13
13mm De-crimper Head (decapper) For Power Crimper

13mm De-crimper Head (decapper) For Vertical Air Crimper (9300-VAC-02) 9320-VAC-13

9320-VAC-13
13mm De-crimper Head (decapper) For Vertical Air Crimper (9300-VAC-02)

13mm Gray Chlorobutyl Lyophilization Stopper - 2 Prong 5001L2-13

5001L2-13
13mm Gray Chlorobutyl Lyophilization Stopper - 2 Prong,5001L2-13

13mm Hand Operated Decapper 9310-13

9310-13
13mm Hand Operated Decapper