About This

• The check valves are for common aquarium air pumps. Please DO NOT use them with CO2 system. Great one way check valve for aquarium and fish tank.
• Protect you air pump by preventing aquarium water from back siphoning during a power outage.
• Made of durable clear plastic. Net weight: 0.14 oz / 4 g. Please use a paperclip to poke it from Input side to Output side when the outlet inside gets stuck.
• Air Hole Diameter: 0.15" / 4mm; Overall Size: 2.1" x 0.58" / 5.3 x 1.5 cm (L*Max.D)
• Package Content: 10 Pcs x Air Check Valve

Overview

• Brand : YGTGZ
• Material : Plastic
• Item Weight : 0.1 Kilograms
• Operation Mode : Automatic
• Manufacturer : YGTGZ