Product Information
Delivery Info
A non return valve (check valve) is used to stop water siphoning from the aquarium into an air pump positioned below the water level.
Fits standard 4/6mm diameter airline.
Not designed to be used with ozone or carbon dioxide.
We aim to dispatch all orders the same working day provided it is received before midday and payment confirmed, subject to stock availability. Orders received after this time may not be dispatched until the next working day. In the unlikely event of an item being out of stock, we will contact you via email to advise you of an estimated delivery date, to give you the option of cancelling or waiting.
Small and lightweight items (below 2kg) will normally be sent via Royal Mail 1st class, and will be delivered within 2 - 5 days.
Larger orders with a total weight over 2kg will normally be sent via parcel carrier for delivery the next working day.
Any orders placed over a weekend will be dispatched on Monday. If the order is placed over a bank holiday it cannot be dispatched until the first working day.
We reserve the right to use the most cost effective service to get your order to you as quickly as possible.
For more details, see delivery and returns in the side menu.