Simmons 606SB 2 Hole Check Valve, 1" x 1/4" Screwdriver Sets Blocks out air and moisture

Blocks out air and moisture

Black oxide finish resists corrosion and increases life of bit

Water resistant

durable galvanized steel outer pipe has internal spacing beads to assure a uniform insulating air space between pipe walls

accepts most gas to attachments to provide multiple use

Simmons 606SB 2 Hole Check Valve, 1" x 1/4" Screwdriver Sets Blocks out air and moisture"Simmons" Check Valves 400 PSI working pressure For Diaphragm Tanks Female Threaded 2 Tappings: (2) 1 4" Outlet Size Ins.=1 Silicon Bronze Lead Free Silicon bronze cast body and poppet contain less than 0. 05% Lead Furnished with Buna N o ring, stainless steel spring, stainless steel washer and stainless steel locknut