ITEM NAME:8-Piece Plastic Aquarium Check 1-Way Valve Air Pump Co2 Diffuser Set, Red/W E9X1 8-Piece Plastic Aquarium Check 1-Way Valve Air Pump Co2 Diffuser Set, Red/W E9X1 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. Product Name : Aquarium Check Valve; Use for : Fish Tank, Aquarium Hole Diameter : 2mm/ 0.08" Total Size : 5.3 x 1.5cm/2.1" x 0.6"(L*Max.D) Material : Plastic; Color : White, Red Weight : 30g Package Content : 8Pcs x Aquarium Check Valve Note:Light shooting and different displays may cause the color of the item in the picture a little different from the real thing.The measurement allowed error is +/-1-3 cm..Use for : Fish Tank, Aquarium.
