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1PCS 3 / 4 / 5 / 7 / 10 mm Plastic One Way Inline Check Valve Gas Air Liquid Water Fluids Valve Equal-diameter Aquarium Air Pump

1PCS 3 / 4 / 5 / 7 / 10 mm Plastic One Way Inline Check Valve Gas Air Liquid Water Fluids Valve Equal-diameter Aquarium Air Pump

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Specifications

Brand Name
NONE
High-concerned chemical
None
Origin
Mainland China
Structure
control
Standard or Nonstandard
Standard
Media
Water
Certification
RoHS
Material
Plastic
Model Number
Equal flow
Temperature of Media
Normal Temperature
Pressure
Medium Pressure
Power
Hydraulic
Model
Anti-backflow Check Valve
Choice
yes
semi_Choice
yes

Product Description

Specification:

4MM anti-valve, can be equipped with inner diameter 3MM 4MM silicone tube
5MM anti-valve, can be equipped with inner diameter 4MM 5MM 6MM silicone tube
7MM anti-valve, can be equipped with inner diameter 6MM 7MM 8MM silicone tube
10MM anti-valve, can be equipped with inner diameter 8MM 9MM 10MM silicone tube

Package Include:
1PCS * Anti-backflow Check Valve

Pros & Cons

Pros

  • Compatible with multiple inner diameter silicone tubes for versatile use
  • RoHS certified for environmental and safety compliance
  • Standard industrial design for easy installation in aquariums or plumbing systems

Cons

  • 10mm valve compatible tube sizing is not fully detailed in the listing
  • No official brand name associated with the product
  • Not suitable for high-temperature or high-pressure industrial applications

Common Questions

What material is this inline check valve made of?

This anti-backflow valve is constructed from food-safe plastic material.

What tube sizes is this check valve compatible with?

The 4mm valve fits 3/4mm silicone tubes, 5mm fits 4/5/6mm tubes, 7mm fits 6/7/8mm tubes, and the 10mm valve fits 8mm silicone tubes (partial sizing listed).

What fluids can this check valve be used with?

This valve is designed for use with water, air, gas, and other general low-risk fluids.

What pressure and temperature conditions does this valve support?

It operates at medium pressure and normal temperature media conditions.

Where is this product manufactured and shipped from?

This product originates from Mainland China.

Product information last updated on February 8, 2026