Parker Check Valve, 3/8 in, Single, Inline Poppet, 316 Stainless Steel, Compression x Compression - 6A-C6L-10-SS Operation-Touch Free They also help filter out

They also help filter out allergens and dust particles to prevent them from recirculating in the air

Bradley S50-311 Az Cnv

The MRO Plus Heavy Roll absorbs all industrial liquids including water

Securall MG309HFL Self-Latch Self-Close Safe-T-Door

The shower valve is a 1" IPS brass stay-open ball valve with O-ring seals

Parker Check Valve, 3/8 in, Single, Inline Poppet, 316 Stainless Steel, Compression x Compression - 6A-C6L-10-SS Operation-Touch Free They also help filter outInstrumentation Check Valves, Cracking pressure: 10 psi,Provide unidirectional flow control of fluids and gases. Blowout resistant seat design. Machined backstop reduces spring stress. Stainless steel check valves have fluorocarbon seats. Brass check valves have nitrile rubber seals. Compression connections.,316 Stainless Steel, 6000 psig CWP for 1 8" to 3 4" 5000 psig CWP for 1" Temp. range: 15 to 400F