Product Description Pipe Fittings SET: You may want to know. 1. The cracking pressure of the check valve is 7.25 PSI. 2. You will get : 3/8" Water Pipe x 30 feet tube cutter x 1 3/8" Inline Check Valve x 1 1/4” to 3/8 ” straight coupling x 1 1/4" Female Thread to 3/8" Quick Connect Tank Valve x 1 3/8" Inline Shut-off Ball Valve x 2 3/8” straight coupling x 4 3/8" Elbow Union x 4 3/8" Tee Union x 2 3/8" Two Way Divider x 2 3/8" Stem Elbow Connector x 2 1/4"male NPT to 3/8" Quick Connect x 2 3/8"male NPT to 3/8" Quick Connect x 2 1/2"male NPT to 3/8" Quick Connect x 2 1/2" Female Thread tap Adapter to 3/8" quick connect x 1 3/4"（Type:A）Female Thread tap Adapter to 3/8" quick connect x 1 3/4"（Type:B）Female Thread tap Adapter to 3/8" quick connect x 1 1/2" Female Thread to 3/8" Cold Water Adapter Valve x 1