Filter Tanks & Units
Sand filtration removes mechanical debris from pool water and is the foundation of every pool system — without working filtration, even the best chemistry won't help. This category carries over 600 items: standalone filter tanks, complete sets with pump, six-way valves, filter media and spare parts. What you'll find Filter tanks — plastic tanks Granada, Vienna II, San Sebastian or MFS for family pools; laminate filters Nilo Eco, Barent (Ursa Minor II), Artic, Triton Neo ClearPro and deep-bed Hayward HCF FB tanks up to 3,000 mm diameter for demanding and public installations. Filter KITs (tank + pump) — matched sets such as QS 400 DE14 or QS 600 DE22, optionally with a Besgo automatic valve or Mr.Wash backwash. The simplest choice when building new pool technology. Filter media — certified silica sand 0.7–1.25 mm to EN 12904, AFM activated glass Grade 1 and 2, ZeoPure zeolite, and Fiberbrite filter balls (700 g replaces 25 kg of sand). Filter tank spare parts — clear lids, gaskets, nuts, pressure gauges and Praher SM 2″ six-way valves. How to choose the right filtration size Tank diameter and filtration speed are decisive. For family pools, plan for a speed up to 50 m/h: a 500 mm diameter tank handles roughly 9 m³/h, 600 mm about 14 m³/h. Pool pump flow rate must match the tank size — a stronger pump won't improve filtration, it will instead push debris back through the sand bed into the pool. For public facilities, design for a speed up to 30 m/h with a deeper filter bed (1.0–1.2 m). What to watch out for Check the valve connection type (TOP on the lid vs. SIDE), pipe diameter and the media grade specified by the tank manufacturer. Replace sand every 2–3 seasons; AFM glass lasts considerably longer and reduces biofilm formation. Always drain the tank before winterising — frost will crack even laminate. This category serves pool owners renewing their equipment, installation companies and public pool operators alike. In-stock items ship within 48 hours, orders over the free-shipping threshold ship free, and we deliver across the EU.
Brands
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Bilbao Tank Seal d600
66,68 € incl. VATbez DPH 55,11 € Add to cart -

6-Way Valve Seal 07444 2" Including Shaft Seals
18,44 € incl. VATbez DPH 15,24 € Add to cart -

Collector Arm 3/4", Length 225 mm, Thickness 0.3 mm – Set of 2 pcs
6,72 € incl. VATbez DPH 5,55 € Add to cart -

Collector Arm 3/4", Length 110 mm, Thickness 0.3 mm – Set of 2 pcs
6,96 € incl. VATbez DPH 5,75 € Add to cart -

Collector Arm 3/4", Length 160 mm, Thickness 0.3 mm – Set of 2 pcs
6,96 € incl. VATbez DPH 5,75 € Add to cart -

Diffuser O-Ring for Pump 08003
2,76 € incl. VATbez DPH 2,28 € Add to cart -

Concave Seal with Connection Fitting Bilbao
22,00 € incl. VATbez DPH 18,18 € Add to cart -

Protective Ring Bilbao D500
22,68 € incl. VATbez DPH 18,74 € Add to cart -

Pressure Gauge for the Cantabric Filter Tank
23,00 € incl. VATbez DPH 19,01 € Add to cart -

Valve Clamp for the D300 Filter Tank
20,24 € incl. VATbez DPH 16,73 € Add to cart -

Seal Under the Lid of the Cantabric Filter Tank
14,20 € incl. VATbez DPH 11,74 € Add to cart -

Clamp for the Azuro Six-Way Valve
11,84 € incl. VATbez DPH 9,79 € Add to cart -

Filtration Unit Granada 500 Top 9 m³/h
588,00 € incl. VATbez DPH 485,95 € Add to cart -

Filtration Unit Granada 400 Top 6 m³/h
502,00 € incl. VATbez DPH 414,88 € Add to cart -

Gasket Set for Astral 00599 Six-Way Valve
11,68 € incl. VATbez DPH 9,65 € Add to cart -

Six-Way Valve Lever with Spindle and Friction Washer – Astral 00599
9,20 € incl. VATbez DPH 7,60 € Add to cart -

Collector Arm 1" 225mm / 0.3mm – Set of 2 pcs (Cantabric)
7,60 € incl. VATbez DPH 6,28 € Add to cart -

PTK Collector Coupling for Filter Tanks
6,88 € incl. VATbez DPH 5,69 € Add to cart -

O-Ring Seal of Astral 599 Six-Way Valve
5,84 € incl. VATbez DPH 4,83 € Add to cart -

6-Way Valve TOP 1 1/2" with Bolts
112,96 € incl. VATbez DPH 93,36 € Add to cart -

Compass Filter Tank Lid – Black
8,72 € incl. VATbez DPH 7,21 € Add to cart -

Filtration Unit TOP VF 500 – Nox 100, 15 m³/h
634,00 € incl. VATbez DPH 523,97 € Add to cart -

Praher Check Valve Disc – without Seal
13,68 € incl. VATbez DPH 11,31 € Add to cart -

Vario Top 350 Tank Seal
40,68 € incl. VATbez DPH 33,62 € Add to cart -

Astral Cartridge Filter Body (Clearance)
109,80 € incl. VATbez DPH 90,74 € Add to cart -

Pressure Gauge for Astral Cantabric Filter Tank
25,80 € incl. VATbez DPH 21,32 € Add to cart -

6-Way Valve 1 1/2" Cantabric
101,36 € incl. VATbez DPH 83,77 € Add to cart -

Transparent sight glass for Astral 6-way valve
3,20 € incl. VATbez DPH 2,64 € Add to cart -

Upper part of the Bilbao d350 filter vessel
41,92 € incl. VATbez DPH 34,64 € Add to cart -

Stainless steel clamp of the QS 600 filter vessel
190,80 € incl. VATbez DPH 157,69 € Add to cart
