Green 4" x 20' Camlock Suction Hose Couplings_Aluminum Two types of threads are

Two types of threads are used:

There is a looped end for cinching up

simply refill it at a local fire extinguisher company

Recommended for pumps 1500 to 2000 GPM

Green 4" x 20' Camlock Suction Hose Couplings_Aluminum Two types of threads areGreen lightweight camlock pvc water suction hose is rated for medium duty. Reinforced with high tensile synthetic yarn and steel helix wire. Applications General purpose Agricultural Irrigation Construction Camlock fittings (quick connect couplings) allow for quick, secure connections of hoses to tanks or other hoses. The name "Cam Lock" comes from the cam or lever that is used to lock one hose or fitting into place with another one. The female