Cartridge, 18sqft, ht, 1-1/2" MPT b, 4-5/8", 8"L, 3oz : PTL18P4

Cartridge, 18sqft, ht, 1-1/2" MPT b, 4-5/8", 8"L, 3oz Application: Alcove 13 SqFt, Alcove 17 SqFt, Atera (Four Seasons), Pageant Spas, Saratoga Spas, Vita Spas (DM Industries) Bottom Physical Dimension: 1-7/8"od Bottom Style: Male Pipe Thread (mpt) Diameter: 4-5/8" Length: 8" Media Type: 3oz Square Footage: 19 sq ftTop Style: Handle Replaces 11901,20245-238,303931,4902-008,4902-009,4CH-21,609568,645544001214,AK-9003,FC-0121,PC-0121,PLE-051-9615,PTL18,SC716