Poly-Pleat™ Absolute Rated Filter Cartridges For Harmsco Filter Housings (only) For Safe, Cyst-free Drinking Water 1 Micron Absolute -  Standard Type Harmsco Cartridges Model No. Length Outer Diameter Qty. Per Case PP-S-1 9 ¾" 2 ¾" 24 PP-D-1 19 ½" 2 ¾" 24 PP-20E-1 20" 2 ¾" 24 PP-T-1 29 ¼" 2 ¾" 24 1 Micron Absolute -  Big Blue Type Harmsco Cartridges Model No. Length Outer Diameter Qty. Per Case PP-BB-10-1 9 ¾" 4 ½" 8 PP-BB-20-1 20" 4 ½" 4 1 Micron Absolute -  Hurricane Type Harmsco Cartridges Model No. Length Outer Diameter Qty. Per Case PP-HC-40-1 9 5/8" 7 ¾" 1 PP-HC-90-1 19 ½" 7 ¾" 1 PP-HC-170-1 30 ½" 7 ¾" 1

 

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