• Made of silicate gel, acid and alkali resistance, no harden problem.
• The arrow on check valve stands for the direction of air flow, connect air pipe at both side of check valve.

Specifications

Type: non-return (check) valve

Material: silicate gel — acid and alkali resistant, no hardening

Marking: arrow on the body shows the direction of flow

Compatibility

Silicone-gel bodied, resistant to acid and alkali, and it does not harden with age the way cheap plastic valves do. It suits air pumps and CO₂ lines on standard airline.

Setup & Use

The arrow on the valve body is the direction of air flow. Connect airline to both ends with the arrow pointing towards the tank.

Safety & Precautions

Fit it the right way round, and fit it above the water line. Its whole job is to stop tank water siphoning back down the airline into the pump when the power goes off.

What’s in the Box

One non-return valve. Airline is not included.

Returns & Replacement

Returns are accepted within 7 days of delivery, provided the item is unused and in its original packaging. Manufacturer-sealed items cannot be returned once the seal is broken, and sale-priced items are not refundable.

If your item arrives defective or damaged, message us on WhatsApp with your order number, or email us if you would rather, and we will replace it. Approved replacements are delivered within 3 to 5 business days. Transit damage is covered by insurance on every shipment. If tracking shows delivered but nothing reached you, tell us within 72 hours, which is the reporting window Indian couriers allow. Damage caused during installation or use is not covered; replacement spares for such cases are chargeable.

Full terms are on our Cancellation & Returns page.