Harmsco (HB-20-5W) 20"X4.5" Big Blue "Calypso Blue" Pleated Sediment 5 Micron Filter Less than 1 Micron1733 and water quality demonstrations across

and water quality demonstrations across all dissolved solids concentration ranges

Remove the protective cap from the new Oakton WD-35661-08 sensor and inspect the electrode surface for damage or debris

} KX Technologies

Manufactured by IPW

Each pouch is lot-tracked and freshness-dated to guarantee buffer integrity and measurement reliability

Harmsco (HB-20-5W) 20"X4.5" Big Blue "Calypso Blue" Pleated Sediment 5 Micron Filter Less than 1 Micron1733 and water quality demonstrations acrossHarmsco HB 20 5W 20" x 4. 5" Calypso Blue Pleated Sediment Filter Washable 5 micron pleated polyester for whole house and RO pre filtration 5 Micron Pleated Polyester Reusable 20" Big Blue The Harmsco HB 20 5W is a 20 inch pleated sediment cartridge engineered for Big Blue 20" x 4. 5" housings, offering high dirt holding capacity and extended service life through its cleanable polyester media. At 5 microns, it removes sand, silt, rust, and particulate