Hole Caps

WHEATON® Screw Caps, unlined, Black, 22-400, Unlined Black phenolic screw cap Open top caps provide access with a syringe Linerless Autoclavable

WHEATON® Screw Caps with Polypropylene/Silicone/PTFE liner, Black, 33-430. Ideal for use with biological media, volatile solvents, corrosive chemicals and sensitive compounds Liner is ultrasonically welded to the cap to eliminate the possibility of...

WHEATON® Screw Caps with Chlorobutyl liner, 33-430 with Butyl Septa. Black phenolic screw cap Open top caps with gray Chlorobutyl/50 septa are ideal for use with media bottles Autoclavable

WHEATON® 20mm Seal, Open Top Hole Cap, Aluminum Blue, Unlined. The Unlined Aluminum Seal exposes the top of the rubber septum to the syringe. A rubber septa with rubber formulations of gray butyl, natural rubber and silicone can be purchased...

WHEATON® 20mm Seal, Open Top Hole Cap, Aluminum, Unlined. The Unlined Aluminum Seal exposes the top of the rubber septum to the syringe. A rubber septa with rubber formulations of gray butyl, natural rubber and silicone can be purchased separately...

WHEATON® Screw Caps, White, 15-425 with PTFE /Silicone liner (15-425 Cap, Open, PP, White, PTFE/ Silicone Liner .060)15-425 Open Top Cap, PP, White, PTFE /Silicone, Liner .060. Use these caps with WHEATON® or other manufacturer's numbered glass...

WHEATON® 20mm Seal, Tear Off, Aluminum, Unlined. unlined aluminum seals feature a tear-off center potion which an be removed completely allowing contents to pour from the bottle or vial. Conveniently bulk packed. Use with bottles with a 20mm crimp...

WHEATON® 20mm Seal, Center Tear-Out, Aluminum, Unlined. Open top seals feature an opening to allow for exposure of the vial's stopper or septa (not included.) Center disc tear-out seals feature a tear away center disc which allows for this exposure,...

WHEATON® Screw Caps, White, 22-400 with PTFE /Silicone liner (22-400 Cap, Open, PP, White, PTFE/ Silicone Liner .060) 22-400 Open Top Cap, PP, White, PTFE /Silicone, Liner .060. Use these caps with or other manufacturer's numbered glass bottles or...

WHEATON® 30mm Seal, Tear Off, Aluminum, Unlined. unlined aluminum seals feature a tear-off center potion which an be removed completely allowing contents to pour from the bottle or vial. Conveniently bulk packed. Aluminum vial seal with a tear-off...

WHEATON® 20-400, Polypropylene, Open-Top, Unlined Screw Cap, Open Top (hole cap) for use with Glass Diagnostic Bottles. These open top caps can be used with thin flange Lyophilization stopper (WH-224100-203.) The contents can be accessed using a...

13mm Seal, Tear-Off, Aluminum Blue, Unlined. Unlined aluminum seals feature a tear-off center potion which an be removed completely allowing contents to pour from the bottle or vial. Conveniently bulk packed. Use with bottles with a 13mm crimp top...

WHEATON® W224215 Pressure Release Aluminum Seals, 20 mm, PTFE/Silicone Septa (20 mm Headspace Seal, Alum, Press Release) These 20mm seals are special crimp top closures with bridges and score lines in the aluminum seal. This design is an added safety...

WHEATON® Screw Caps, unlined, Black, 18-400, Unlined. Black phenolic screw cap Open top caps provide access with a syringe Linerless Autoclavable

WHEATON® 20mm Seal, Open Top Hole Cap, Aluminum Green, Unlined. The Unlined Aluminum Seal exposes the top of the rubber septum to the syringe. A rubber septa with rubber formulations of gray butyl, natural rubber and silicone can be purchased...

WHEATON® 20mm Seal, Open Top Hole Cap, Aluminum Red, Unlined. The Unlined Aluminum Seal exposes the top of the rubber septum to the syringe. A rubber septa with rubber formulations of gray butyl, natural rubber and silicone can be purchased...

WHEATON® 30mm Seal, Center Tear-Out, Aluminum, Unlined. Open top seals feature an opening to allow for exposure of the vial's stopper or septa (not included.) Center disc tear-out seals feature a tear away center disc which allows for this exposure,...

WHEATON® 13mm Seal, Flip-Cap, Red, Unlined. Tamper-evident aluminum flip cap seal. Fully autoclavable for sterile applications. Size: 13mm Red plastic top flips off easily with pressure from the thumb exposing the aluminum seal with center hole and...

WHEATON® 13mm Seal, Center Tear-Out, Aluminum, Unlined. Open top seals feature an opening to allow for exposure of the vial's stopper or septa (not included). Center disc tear-out seals feature a tear away center disc which allows for this exposure,...

WHEATON® 20mm Seal, Center Tear-Out Aluminum, PTFE/Rubber. Aluminum seal features a center tear out disc to expose the septa when ready for use. Size: 20mm. Septa Liner: PTFE/Red Rubber Color: Natural Ideal closure for chromatography vials and other...