Available in natural (clear) or choice of four colors

Available in a variety of sizes ranging from 000 through 16

Flexible fins on cap allow for tight fit that will not damage the cuvette.

Assorted styles, Size No. 1 to 6

Available in a variety of sizes ranging from 000 through 16

Designed for use with Buchner Funnels in filtration assemblies, these cones are made of flexible, quality neoprene rubber. Rubber Cones have superior chemical stability, and can withstand a wide temperature range.

For test tubes and flasks

Hollow stopper fits into the neck of the glassware apparatus. Series 774261 may be used at up to 125°C for up to 8 hours.

One hole rubber stopper

DURAN™ bromobutyl rubber closure provide a gas tight seal for all GL 25 and GL 45 laboratory bottles.

Pliable Soft Rubber Stoppers for multiple applications

This autoclavable set of 7 neoprene rubber adapters is designed to fit Buchner and fritted glass funnels.

Closures for plastic culture tubes.

Trim to fit any opening from 4 to 12mm

For maximum sealing of vials with blow-back glass finish

Assorted sizes 00 to 8

For maximum sealing of vials with straight wall glass finish

Pliable Soft Rubber Stoppers for multiple applications

Pliable Soft Rubber Stoppers for multiple applications

Pliable Soft Rubber Stoppers for multiple applications

For Falcon Round-Bottom Tubes

Set comes with 8 sizes.

Sterile caps snap tight to prevent sample loss.

Permit insertion of hypodermic needles

General purpose single-hole silicone rubber stoppers.

Plug-type hollow; Sleeve extension

Provide airtight covers