SPECIFICATIONS

Brand Name: ZHIYANG

Origin: Mainland China

Tube Calibre: 4mm

Voltage: None

Model Number: non return valve

Material: Plastic

Type: fish

Power: None

Model number: Aquarium Check Valve

Quantity: 5pcs

Feature: 5 X One Way Non-Return Check Valve

1pc/5pcs Fish Aquarium Air Pump Check Valve 5 X One Way Non-Return Check Valve Aquarium Co2 System Air Pump Three Colors
Features:
Safe and durable products, g reat one way check valve for aquarium air pump
Protect your 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.
Made of durable plastic,small and compact,It's easy to install
Compatible with standard aquarium air pipe of 4mm inner diameter
Perfect accessories for better life

Specifications:
Material: Plastic
Dimension: Approx.53mm x 15mm x4mm (Length*Diameter*Tubule diameter)
Color: Clear,Red,Black
Quantity: 5pcs

Including:
1pc/5pcs Aquarium Check Valve