5 Pcs Clear Red Air Pump Plastic One Way Check Valves for Aquarium
5 Pcs Clear Red Air Pump Plastic One Way Check Valves for Aquarium. Hole Diameter : 2.5mm / 0.1″;Overall Size : 3.5 x 1.7cm/ 1.4″ x 0.67″(L*Max.D)Material : Plastic;Color : Clear, RedWeight : 12gPackage Content : 5 Pcs x Aquarium Check Valve Protect you air pump by preventing aquarium water from back siphoning during a power outage. Place in your airline tubing between your air pump and aquarium water to prevent water returning down the air line. While we aim to supply accurate product information, it is sourced by manufacturers, suppliers and marketplace sellers, and has not been provided by Overstock.