There are literally thousands of different formulations manufactured in the pharmaceutical industry. Liquid formulations are typically filtered before packaging to remove any oversized particles such as undissolved ingredients.
Due to the exact nature of the industry, validated pleated cartridges are often used for these ‘polishing’ applications.
Stages of Filtration & Water Treatment
Efficient Particle Removal
Controlling quality levels by removing the majority of contaminants at a specified micron size.

SPECTRUM Premier Pleat Polypropylene
Typically used
PPP-5-20AASPentair 20″ Standard Plastic Housings
Typically used
No203GSTBK/BL3/4"Absolute Particle Removal
The absolute removal of particles above a specified micron size.

SPECTRUM Premier Pleat Glass Fibre
Typically used
PPG-1-20CGSPentair 20″ Standard Plastic Housings
Typically used
No203GSTBK/BL3/4"Absolute Bacteria Removal
Reducing the levels of bacteria to log 7

SPECTRUM Premier Pleat Polyethersulfone
Typically used
PPPES-0.2-20CGSPentair 20″ Standard Plastic Housings
Typically used
No203GSTBK/BL3/4"Featured Products

SPECTRUM Premier Pleat Polypropylene
The most popular and versatile cartridge in the Premier Pleat range. Many applications benefit from using this high efficiency, 4 layer cartridge. WRAS approved.

SPECTRUM Premier Pleat Glass Fibre
Cryptosporidium and Giardia cysts as well as other parasites and micro-organisms are removed effectively using this pleated glass fibre cartridge.

SPECTRUM Premier Pleat Polyethersulfone
Bacteria retention rates in excess of log 7 establish the SPECTRUM PPPES range of cartridges as the right choice for final guard filtration in a host of pure water applications.