FUNCTION: The locking nut is reverse threaded, the bulkhead fitting with a 4mm thick silicone gasket that will conform to the shape of round drums. PACKAGE CONTENTS: 2 x 3/4" PVC bulkhead fittings for rain barrels, water tanks or aquariums, these are good tools. EASY TO INSTALL: drill a hole 1 3/8" to install bulkhead fitting adapter with durable silicone gasket that will seal watertight. WIDELY USED: Water pipe connector applicable for durable commercial plumbing, aquariums, reef tanks, irrigation, swimming pools and water parks. WIDELY USED: Water hose connector applicable for durable commercial plumbing, aquariums, reef tanks, irrigation, swimming pools and water parks.
