Check the listing for details. FC-0300 Filbur Replacement Spa Filter Cartridge For Pleatco PMAX50 5CH-35. Condition: New. Listed at 29.99 USD. Replacement Cartridge For Filbur FC-0300 Spa Filter For Maax Spas of Canada (1.50" MPT) / Replaces Unicel C-5CH-35 & Pleatco PMAX50P4 Item Number: 900257 At FILBUR, we are focused on value, which is why our DirtMaster™ pool and spa filter cartridges are built better to last longer. We feel they are the very best manufactured cartridges on the market today! The PVC core allows for an even distribution of stress and increased debris loading. The antimicrobial end caps allow for reinforced strength and repel odor-causing bacteria and mold while resisting deterioration from salt water and high chlorine levels. The break-resistant bands on the outside keep the pleats evenly spaced for optimum flow and filtration allowing for unrestricted water flow through the pleats. Features: Extruded PVC center Unique Anti microbial crack-resistant end caps promote healthier odor and bacteria reducing filtration. Pleatco break-resistant bands keep the pleats separated for greater flow, filtration and add longer life to the cartridge. Clearly defined pleats allow for quality filtration. Dimensions: Diameter: 5 3/4” Length: 8” Top Hole Dimension: Handle Bottom Hole Dimension: 1.5 MPT Material Area: 35 sq. ft. Material Weight: 3 oz Replaces: Unicel 5CH-35 & Pleatco PMAX50P4 OEM: 58600, 59900, F18 Description: Maax Spas of Canada (1.50" MPT) UPC#: 645544003003