Made in the USA this replacement cartridge is designed for the Aquastar Pipeline PLF35000 Inline cartridge filter for swimming pools. It provides efficient water filtration, ensuring cleaner and safer swimming water. Individual replacement cartridge is compatible with Aquastar Pipeline PLF35000 pool filter. Replacement for PF35000Equipped with a heavy-duty reinforced core, for added stability and long-lasting use, the replacement cartridge filter for Aquastar Pipeline PLF35000 will be durable in any condition. Equipped with a heavy-duty reinforced core, for added stability and long-lasting use, the replacement cartridge filter for Aquastar Pipeline PLF35000 will be durable in any condition. Chemical Resistant Pleated Elements exceed OEM Specifications. Equipped with synthetic filter media for complete and thorough water filtration keeping your pool water clean and safe. Replacement for PF35000, Unicel C-9431, 35000 Gallon Pool. Pool filter 1 pack. Comes with 1 250 Sq Ft individual cartridge filters. Compatible with Aquastar Pipeline Inline PLF35000 pool filter.