Aquatics Online UK - Aquarium Supplies, Pond, Pumps, Filters, and liners -Undergravel Filters & Gravel Separators

Undergravel Filters & Gravel Separators

Algarde Undergravel Filters
One-piece plastic undergravel filters in varying sizes. Sizes shown are in "inches" The 7" x 11", 7" x 13"and 7" x 14" have one 3/4" diam. uplift. All the other sizes have a single 1" diam. uplift, except for: 11" x 29", 11" x 35" and 11" x 47", which have two 1" diam uplifts.

Algarde 7in. x 11in. Undergravel Filter £2.70
Algarde 7in. x 13in. Undergravel Filter £2.84
Algarde 7in. x 14in. Undergravel Filter £3.30
Algarde 9in. x 17in. Undergravel Filter £4.75
Algarde 9in. x 23in. Undergravel Filter £4.84
Algarde 11in. x 17in. Undergravel Filter £5.59
Algarde 11in. x 29in. Undergravel Filter £6.99
Algarde 11in. x 23in. Undergravel Filter £6.29
Algarde 11in. x 35in. Undergravel Filter £8.69
Algarde 11in. x 47in. Undergravel Filter £9.49
Algarde Universal Undergravel Filter Spare Uplift Kit 25mm (1in.) £2.44

Interpet Undergravel Filters

A clip-together plate type undergravel filter. Extremely strong and complete with uplifts, airstones, airline, and carbon inserts.

• : For Freshwater and Marine Aquariums
• : Simple secure assembly
• : Power by air pump or powerhead
• : Optimum design for even water flow
• : Can support heavy rock structures
• : Directional flow return with fish guard

Sizes shown are in " inches "

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Dimensions :

24",30",36" & 48" Undergravels are 11.5" front to back

18" Undergravel is 9.5" front to back and is therefore also suitable for 18x10" tanks

Interpet 18in. Undergravel Filter £5.95

Interpet 24in. Undergravel Filter £6.59

Interpet 30in. Undergravel Filter £8.25

Interpet 36in. Undergravel Filter £9.35

Interpet 48in Undergravel Filter £11.59

Interpet Spare 18in. Undergravel Uplift Kit


Interpet 18 in. Undergravel Filter Spare Uplift £2.31

Rena Undergravel Filter Plates

Individual plates approximately : 5.5 ins. x 2.5 ins which clip together to form any size of undergravel filter.

Uplift tubes supplied seperately and come complete with airstone, valve and airline.

Rena plates can be purchased singly or in a box of 50.

Rena Undergravel Plates Each £0.75

Rena Undergravel Plates (Box 50) £28.95

Rena Undergravel Uplift 215 £5.99

Gravel Tidy
Sub Gravel Separator Fine mesh perforated plastic sheeting Flexible and easily cut to shape Ideal for separating substrate layers in both freshwater and marine aquariums Wide range of sizes to suit most aquariums Click Here for more information Sizes quoted are in inches

24 X 12 Gravel Tidy £3.74
36 x 12 Gravel Tidy £4.25
36 X 18 Gravel Tidy £5.54
48 x 12 Gravel Tidy £4.80
48 x 15 Gravel Tidy £5.99
48 X 18 Gravel Tidy £6.75
60 X 18 Gravel Tidy £8.99
72 x 24 Gravel Tidy £9.99

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