Carbon Cartridge - Replacement Refill for Odour Trap

The Waste Tank Odour Trap is a robust two-way vent / air admittance valve combined with with a sturdy filter designed specifically for outdoor drainage applications. The filters will typically become waterlogged after an estimated 24 months - although the timescale varies according to the volumes of liquids and air moved through the tank. When waterlogged the filter will use its efficiency and will need to be replaced.