Silicone O ring for 250ml MiniPot Back Catalog number: A426-250S Manufacturer: Sampling Systems Availability: In the manufacturer's stock Price on request - + Recommended A126-200 200Litre Drum. 316ss with lid, clamp and silicone Price on request A394-200 Tweezers. 200mm Price on request A136-10A 1" Butterfly Valve (316L) with EPDM seal Price on request