The Waterco HRV 30 Collector Assembly (HRV30-COL) is a replacement spa and pool filter cartridge from Waterco USA, selected to help restore steady water flow, dependable filtration, and proper cartridge fit when an existing element is worn, damaged, or due for seasonal replacement. The listed part number is HRV30-COL, making it easier to match this item against an existing component, parts diagram, or previous service record. Before ordering, compare the product title, part number, dimensions, and application details against the original part and the equipment documentation. A clean, correctly sized cartridge helps reduce strain on the circulation system, supports better water clarity, and can improve flow through the filter housing. Replacing worn cartridges is especially important when pleats are crushed, end caps are damaged, cleaning no longer restores flow, or water quality becomes harder to maintain. If you are unsure about compatibility, compare photos, measurements, and model information before installation. Genuine replacement style item from Waterco USA for compatible sand filters & parts applications Use part number HRV30-COL to help confirm the correct match Designed for repair or replacement of the matching original component Helps restore proper fit, function, and serviceability when the existing part is worn or damaged Recommended for pool, spa, or bath service where compatibility has been verified