
1PCS 3 / 4 / 5 / 7 / 10 mm Plastic One Way Inline Check Valve Gas Air Liquid Water Fluids Valve Equal-diameter Aquarium Air Pump
4.8394+ sold
$1.18
0% OFFBuy on AliExpress
You will be redirected to AliExpress to complete your purchase
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
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
