Item Model No. Inlet Outlet Specification Camping Valve TVL CAMP M2215HM1415 M 22 X 1.5 M 16 X 1.5 Camping Valve TVL CAMP M2215RM1415 M 22 X 1.5 M 16 X 1.5 Camping Valve TVL CAMP M2215HM1415 M 22 X 1.5 M 16 X 1.5 Camping Valve TVL CAMP M2215RM1415 M 22 X 1.5 M 16 X 1.5 Camping Valve TVL CAMP M2215SRM1415 M 22 X 1.5 M 16 X 1.5 Safety Release Camping Valve TVL CAMP M2215SRM1415 M 22 X 1.5 M 16 X 1.5