Caps and Closures

Cap, White, LDPE 15Dr, Bulk BK/5,000 (5000 per BK )

Cap, White, LDPE 20Dr, Bulk BK/3,000 (3000 per BK )

Filtration Microfiltration Assembly 47 mm With Bottle and Fritted Glass Support Ultra-Ware Component Parts. (6) Sealing Ring Silicone/PTFE 42 mm. This filtration assembly is specially designed to collect the filtrate directly into a media-style bottle. (1 per EA)

Stoppers PTFE Solid color-coded key-head. [standard taper] flask length. [standard taper] Stopper Size 19. Approx. Diameter at Large End (mm) 19.7. Length of Ground Zone (mm) 17.0. Color Code Green Used with flasks mixing cylinders separatory funnels etc. (6 per CS )

Caps closures White Polypropylene Linerless for Screw Thread Culture Tube GPI Thread Finish 13-415 Natural polypropylene. Of one-piece construction with a seal achieved due to a unique inner sealing ring. Autoclavable. (1000 per CS )

Black Phenolic Cap 38-400 with a polyethylene liner. Caps are sold 144 per case in 12 bags of 12. (144 per CS )

Pennyhead Stopper Accessory item for use with solvent repurification distillation apparatus (KT547600-0125 -0500). [Standard Taper] 24/40. (1 per EA)

NMR Sample Tube Pressure Caps Polyethylene Assorted Colors for 5 and 10 mm Tubes Fits Tube Size (mm) 5. Color White A tight-fitting polyethylene cap which stays in place even with a build-up of internal vaporization pressures. (100 per CS )

NMR Sample Tube Pressure Caps Polyethylene Assorted Colors for 5 and 10 mm Tubes Fits Tube Size (mm) 10. Color Black A tight-fitting polyethylene cap which stays in place even with a build-up of internal vaporization pressures. (100 per CS )

Redi-Caps White PP with Poly-Vinyl Liner Screw cap size: 13-425 For use with Wheaton Redi-Pak glass containers. Wheaton Science Products is the premier laboratory source for all types of glass and plastic containers and accessories.

Colored Starline Caps For Starline Narrow Mouth Containers White Screw cap size: 24-410. New polypropylene caps are available in natural white red blue and green. Superior Double Seal Closure. Guaranteed to be leakproof. No-Drip Pour Lip. For safe clean dispensing. (72 per CS )

Black Phenolic Screw Caps With Rubber Liners Screw cap size: 51-400 Non-toxic white rubber liner for culture work. Wheaton Science Products completes your package with the right closure. We provide a wide variety of caps seals and stoppers to ensure a perfect fit for your container. (100 per CS )

I-Loc Polypropylene Closures With Gray Butyl Stoppers Black Screw cap size: 20-400. For use with Wheaton diagnostic bottles. Specifically designed for diagnostic applications. Ideal for liquid reagents. (100 per CS )

Colored Polypropylene Caps With fluoropolymer resin Faced Silicone Liner White Screw cap size: 45mm. Liner is ultrasonically bonded to eliminate toxicity and to assure product safety. These 45mm non-reactive autoclavable caps have sure-grips for easy handling. (12 per CS )

Colored Polypropylene Caps With Center Hole White Screw cap size: 45mm. Sample can be withdrawn through a syringe with hole in cap. Use with 224100-503 stopper. These 45mm non-reactive autoclavable caps have sure-grips for easy handling.

PBT Screw Caps With PTFE Liner Screw cap size: 45mm. Cap with PTFE liner can withstand temperatures up to 180[degree]C. Made of polybutylene terephthalate. Caps have high heat resistance and can withstand temperatures up to 200[degree]C for short periods of time. Autoclavable. (10 per CS )

Low Density Polyethylene Extended Controlled Dropper Tips 20mm Pink Extended Controlled Dropper Tips are now available in natural polyethylene. Designed to dispense one drop at a time. They fit our Wheaton dropping bottles 211618 and 211628 series. (100 per CS )

Low Density Polyethylene Extended Controlled Dropper Tips 20mm White Extended Controlled Dropper Tips are now available in natural polyethylene. Designed to dispense one drop at a time. They fit our Wheaton dropping bottles 211618 and 211628 series. (100 per CS )

Polypropylene Dropper Tip Caps Screw cap size: 8-425 Pink Convenient lab packs for laboratory trials or where smaller quantities are needed. Colored caps facilitate rapid identification of individual samples and allow for coding of multiple product lines. Autoclavable. (100 per CS )

Polypropylene Dropper Tip Caps Screw cap size: 15-415 Pink Convenient lab packs for laboratory trials or where smaller quantities are needed. Colored caps facilitate rapid identification of individual samples and allow for coding of multiple product lines. Autoclavable. (100 per CS )

Polypropylene Dropper Tip Caps Screw cap size: 15-415 Green Convenient lab packs for laboratory trials or where smaller quantities are needed. Colored caps facilitate rapid identification of individual samples and allow for coding of multiple product lines. Autoclavable. (100 per CS )

Polypropylene Dropper Tip Caps Screw cap size: 20-410 Red Convenient lab packs for laboratory trials or where smaller quantities are needed. Colored caps facilitate rapid identification of individual samples and allow for coding of multiple product lines. Autoclavable. (100 per CS )

Polypropylene Dropper Tip Caps Screw cap size: 13-425 Orange Convenient lab packs for laboratory trials or where smaller quantities are needed. Colored caps facilitate rapid identification of individual samples and allow for coding of multiple product lines. Autoclavable. (100 per CS )

Polypropylene Dropper Tip Caps Screw cap size: 13-425 Green Convenient lab packs for laboratory trials or where smaller quantities are needed. Colored caps facilitate rapid identification of individual samples and allow for coding of multiple product lines. Autoclavable. (100 per CS )