Description
Marina Plastic Check Valve Non Return Valve
The Marina Check Valve prevents water from siphoning out of the aquarium through the air hose and into the air pump in the event of a power failure or when removing filters and other air-driven accessories from the aquarium.
- Protects air pumps from water back siphoning
- Minimal air flow restriction
- Durable
In stock orders placed before 2pm will be despatched on the same working day (not including palletised items, pond plants or fibreglass ponds).
Pre-orders are shipped once we have the stock available and will be shipped using the service chosen at checkout.
All services are working day services and do not include delivery on Saturdays and Sundays or public holidays as standard. Deliveries are usually Monday to Friday only, although some Royal Mail items may be delivered on weekends as standard if the service is available in your area.
SERVICE | SPEND | COST |
Packet/Courier items | ||
Royal Mail (2-3 days) | £0.00-£49.99 | £2.99 |
Royal Mail Next Day (1-2 days) | £0.00-£49.99 | £4.99 |
Parcelforce 24 (1 day) | £0.00-£49.99 | £7.99 |
Parcelforce 24 (1 day) | £50 and up | FREE |
Pallets (booked in) | aquariums / bulky items | |
Pallets Standard (3-5 days) |
- | FREE |
Pallets Express (1-2 days) |
- | £39.99 |
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*EXCLUDED ITEMS | extra delivery fees apply: | |
Fibreglass Ponds (booked in) | ||
Zone 1 (7-10 days) |
- | £79.99 |
Zone 2 (7-14 days) | - | £149.99 |
Zone 3 (7-21 days) | - | £249.99 |
Pond Plants (direct from grower) |
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All pond plants (3-10 days) | one-off fee regardless of order size/value | £5.99 |
Please see our full delivery information page and terms and conditions for detailed information on shipping policies and zones