POOL SAND FILTER AQUAMAX 4 BAG AQUAMAX sand filters are high performance, corrosion-proof filters that are easy to use. They are superior in terms of their filtration potential and ensure sparkling water clarity The AQUAMAX 4-Bag Sand Filter is 610mm in diameter and comes complete with a multi-port valve to set your pool to perform different functions. The filter works best when coupled with a 1.1kW AQUAFLO/QUALITY/SPECK OR EARTHCO OR 0.75KW/1.1KW DAB pool pump and 160kg of special filter sand OR 120KG ECO GLASS. This high-performance filter, made from heavy-duty materials, is completely corrosion-proof. Available in grey.