Boasting WRAS approval over the ESP, the TruDepth Standard is the best value option for general particulate reduction. With a recognisable mini-grooved construction, the SSP has a higher surface area and enhanced dirt holding capacity over the TruDepth Economic cartridge (ESP). Also available in large diameter configurations , the SSP-BB cartridges offer even higher dirt loading potential with greater flow rate capability.

See our cheaper alternative as a direct replacement here