Watts 50 Micron Pleated 20" x 4.5" Water Filter Sale $28.95
50 Micron Filter Bags 7" x 32 " Bag Filter Polyester Filter Bags Filter Felt
Culligan Heavy Duty Water Filter Replacement Cartridge, 50 Micron, Whole House, R50-BBSA, 1 pack - Walmart.com
50 Micron Polyester Slim Line Filter
AquaFlo 50 Micron 4.5"x 20" String Wound Sediment Filter / Part# 36168 - the water guys
2 pack of 50 Microns String Wound Polypropylene Filter Cartridge 10" x 2.5" for city and well water|polypropylene water filters|50 micron water filterfilter 10 inch - AliExpress
Big Brand 20" 50 Micron Ryton (Case qty. 15) Slim Line Filter
Pentair - 50 Micron, Size 2, 150 GPM Max Flow, High Efficiency Bag Filter - 71776660 - MSC Industrial Supply