Manufactured using German engineered and produced high quality Polyethersulfone media, the SPECTRUM PPPES provides assured and certified absolute bacteria retention characteristics. Lot coded and 100% individually tested, the high surface area media contains no adhesives or binders, with low extractable content offering consistent final product quality. Meeting industry standard requirements, the cartridges are WRAS approved, FDA Title 21 Compliant and meet USP Class VI-121 DegC Plastics.

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Frequently asked questions

PPPES cartridges use a polyethersulfone membrane rather than a depth media, which makes them suited to applications needing certified, absolute-rated filtration — bacterial removal, pharmaceutical and laboratory water, and critical process filtration in food, beverage and chemical manufacturing.

At the 0.2 micron rating, Spectrum's PPPES membrane is validated to remove 99.99999% of Brevundimonas diminuta (the standard bacterial challenge organism used to certify absolute-rated membranes), with a bubble point of 4.3 bar confirming membrane integrity.

Yes — the PPPES range is built to withstand repeated in-line steam sterilisation, rated for 20 cycles of 30 minutes at 121°C, making it suitable for sterile process applications where the housing and cartridge are sterilised between batches.

The core difference is the membrane technology. Polypropylene pleated filters like the PPP are depth or surface filters rated nominally or absolutely for particle size, while PPPES is a true membrane filter with a validated, certified bacterial retention rate and steam sterilisability — it's a step up in both precision and cost, aimed at pharmaceutical, laboratory and critical process applications rather than general sediment removal.

Yes — the polyethersulfone membrane and polypropylene core are compatible with a wide range of chemicals and broad pH extremes, which is part of why it's specified for chemical manufacturing and other demanding process environments, not just water.