Coshar 20Pcs Aquarium Plastic Check Valves One Way Check Valves None-Return V...

Description

Coshar 20Pcs Aquarium Plastic Check Valves One Way Check Valves None-Return Valves Air Pump Accessories for Fish Tank, White
NOT for CO2 system. The check valves are siutabl for common aquarium air pumps.
This air check valve can protect your air pump by preventing aquarium water from back siphoning during a power outage.
Made of quality clear plastic, durable and no need to worry about it will hurt your aquatic creatures.
Fits standard aquarium airline tubing with inner diameter about 4mm / 0.16".
Air Hole Diameter: 0.12" / 3mm; Overall Size: 2.1" x 0.51" / 5.4 x 1.3cm (L*Max.D). Package: 20pcs x Red Air Check Valve, abundant quantity to meet your needs and replacements
Place these air pump check valves in your airline tubing between your air pump and aquarium water to prevent water returning down the air line How to Install Check the flow direction of the valve to make sure put on the correct sides. Use a cup of hot water for softing the head of the aquarium airline tubing Attach air pump check valve to the tubing carefully and connect completely.Specification: Product Name: Air Check Valve Color: White Air Hole Diameter: 0.12" / 3mm Overall Size: 2.1" x 0.51" / 5.4 x 1.3cm (L*Max.D) Material: Plastic Package content: 20 x Air Check Valve Note: The check valves are for common aquarium air pumps. Please DO NOT use them with CO2 system. Please use a paperclip to poke it from Input side to Output side when the outlet inside gets stuck.
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