Compression Straight Stop, Lead-Free, 1/2-In.x 3/8-In. Lawn & Garden it has a triple O-ring

it has a triple O-ring sealed air chamber

For PVC Pipe & Fittings

Includes extra durable high temperature dip tube to meet the most stringent plumbing codes

40-gallon tank is suitable for families and includes extra durable high-temperature dip tube to meet the most stringent plumbing codes

Uses standard garden hoses for suction and discharge

Compression Straight Stop, Lead-Free, 1/2-In.x 3/8-In. Lawn & Garden it has a triple O-ring1 2" x 3 8" compression straight stop; lead free, 23037 0000lf, sharkbite push fit fittings for use with copper tubing cts, cpvc and pex with integral tube liner included; constructed of dzr brass, certified to 200 psi and 200 degrees f, design certified to asse 1061 nsf61 standards, meets upc, ipc and cupc requirements; fittings are listed with iapmo and are certified for use on potable and hydronic water distribution. Certified for underground