AmiBron 5CH-352 Replaces Marquis Spa Filter, Compatible with PPM35SC-F2M,FC-0196,Marquis 35, Marquis Spa 70-0240, 370-0242, 370-0243,2" Male Thread/MPT 35 sq.ft.Hot Tub Filter 2 Pack

AMIBRON 5CH-352 Replaces Marquis Spa Filter, Compatible With PPM35SC-F2M,FC-0196, Marquis 35, Marquis Spa 20042, 20092, 70-0240, 370-0242, 370-0243, 2" Male Fine Thread 35 sq.ft. Hot Tub Filter 2 Pack

FROG @Ease Mineral Cartridge + SmartChlor Cartridges for Marquis, Caldera, Artesian & Hot Springs Spas - Hot Tub Sanitizer, CYA Free, for up to 600 Gallons

Frog @Ease in-Line Mineral Cartridge for Hot Tubs