Jardin Plastic Aquarium Tank Air Pump Blue Check Valves, 6-Piece
Price 9.45 USD
Product name : aquarium check valve; use for : fish tank , aquarium * Hole diameter: 2mm;total size: 3 4 x 2cm/1 3 x 0 8"(l*d) * Material: Plastic;Color: Blue * Weight : 12g * Package content : 6 pcs x aquarium check valve