Item #DescriptionCase Qty
 5141PR-2020mm Silver Pressure Release Seal, 0.131″ PTFE/Molded Gray Butyl100 pieces
 5142PR-2020mm Silver Pressure Release Seal, 0.140″ PTFE/Rubber PharmaFix Septa100 pieces
 5143PR-2020mm Silver Pressure Release Seal, 0.100″ PTFE/Silicone100 pieces

Pressure release seals are designed to open when internal pressure exceeds 3.0+/-0.5 bar.