DescriptionAre you looking for professional, yet affordable stainless steel check valves? Are you in search of sturdy, trustworthy stainless steel check valves that can do multiple jobs at once? If yes, look no further! Our professional stainless steel check valves must meet your need. It is the best choice for you.Features-Color:Silver -Material:Stainless steel -Size:4.70X1.00X1.00cm/1.85X0.39X0.39in - Protect your fish tanks air pump by preventing the aquarium water from anti-siphoning during power outages. - You will receive enough aquarium check valves, small and compact. It's easy to install. - Efficient and practical, fast and convenient, can protect your air pump, convenient to use.-Can prevent the reduction of CO2 pressure caused by aquarium backflow, to maintain the function of CO2 bottle and service life.-Great one way non-return check valves for fish tanks air pump or fish tanks air pump.
