In StockFree Overnight delivery with DPD (if over €100 of products are purchased).Polylok’s Poly-Air-4 is an activated carbon vent filter that will remove offensive odours such as Hydrogen Sulphide as they come out of the septic tank, treatment system, grease trap or sewage system ventilation pipes. Use the Poly-Air activated carbon vents to eliminate these unpleasant odours.Features & Benefits:Easy to installCost effectiveFits existing 110mm(4″ inch) pipingNo more offensive odoursNo more spoiled patio partiesNo more foul air drifting into open windowsContains 1lb of activated carbon pellets in each coverEasy replacement of activated carbon
