Amazon.com: 4 Inch Ring Polypropylene Felt Filter Bag 1 Micron 4" x 9" Liquid Aquarium Filter Socks Size 3 - Pack of 2 (4" x 9", 1 Micron) : Pet Supplies
Size 02 10 Micron Polypropylene Standard Felt Filter Bag – Ring & Handle
Pentek BP-410-1 Polypropylene Filter Bag (Sold Individually)
Snap-Ring Polypropylene Filter Bag | looktopsi.com
Size #2, 1 Micron High Efficiency Polyester Microfiber Liquid Filter Bag (PEMF1AP2PPH)
50 Micron Double Length Polypropylene Welded Felt Filter Bag | U.S. Plastic Corp.
P-88-0832-BV Filter Bag 'S' 10µm x30" PP Felt (Media) Polypropylene Felt FKM FPM,Viton ø5.5x30" Filter Bag - SERFILCO
Item # 906-19FP3-10, #B Polypropylene Filter Bags On Metafin Supply Company
Pentek BP-410-25 Polypropylene Filter Bag (Sold Individually)
3M 100 Series Bag Filter, 70-0202-3741-1, 7.5 Rating, Polypropylene, 7 in x 32 in | RSHughes.com
2 Size Filter Bag (50 Micron) | Polyester Felt | PRM Bag Filters
Flow-Max FMPPFB2-1 Size #2 Polypropylene Filter Bag 1 Micron