PP Filter Cartridge for Residential, Commercial, Industrial Use Specification : Filtration : Nominal Rating. Micron Rating : 1um, 3um, 5um, 10um, 25um, 50um, 100um, or Custom Micron Length : 9 3/4", 9 7/8", 10" (Most Common for Residential) , 20" (Most Common For Commercial), 30", 40" (Most Common For Industrial) ID (Inner Diameter) : 28mm (Most Common) , 30mm, 34.5mm OD (Outer Diameter) : 60-68mm, 115mm (4.5 inch) or Customizable Material : 100% Pure Polypropylene without any additives. Outer Finish : Mini Groove, Non Groove, Deep Groove, Orange Peel, Dotted, Shiny Finish Standard Products Equivalent : DEWater PP Indonesian Top Brand Packaging : Wrapped with POF Plastic Material. 10" : 50pcs/Carton 20", 30", 40" : 25pcs/Carton Container 20GP / 40GP / 40HQ Ordering Code : PP-AABB AA : Inch BB : Micron Rating