Pleatco PMA40L-F2M-M filter cartridges (Alternate names: PMA40LF2M-M, PMA40LF2MM) Filters compatible with pools, spas and hot-tubs using Pleatco PMA40L-F2M-M filter cartridges filters. Filter description: Diameter: 6" Length: 9 1/4" Top: Handle Bottom: 2" MPT Threaded Compatible with all spas, hot-tubs and pools using Pleatco PMA40L-F2M-M filter cartridges