The AZOO safety valve stops water from back siphoning which can prevent damage to carpets, furniture and aquarium filters. It helps prevents gravity pressure from emptying your aquarium and ultimately protects your fish and other aquarium inhabitants. The valve has unidirectional flow, durable all plastic construction makes this valve suitable for both freshwater and saltwater aquariums.
Approximate Inlet Measure: 3/8” I.D. (Inside Diameter)
Approximate Outlet Measure: 7/16” I.D. (Inside Diameter)