Simmons 606SB 2 Hole Check Valve, 1" x 1/4" Screwdriver Sets durable galvanized steel outer pipe

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

Black oxide finish resists corrosion and increases life of bit

Average life 5000 Hours

accepts most gas to attachments to provide multiple use

Blocks out air and moisture

Simmons 606SB 2 Hole Check Valve, 1" x 1/4" Screwdriver Sets durable galvanized steel outer pipe"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