Measurements 5.75 X 10.50 with a two inch opening - fits pre-2002 models Jacuzzi Part # 2540‑380
Aladdin 12512
Baleen AK-4021
Darlly 50257
Excel Filters XLS-520
Filbur FC-1320
Filbur FC-1330, FC-1330M
Pleatco PJW23, PJW23-4
Pleatco PJW23-M, PJW23-M4
Pure N Clean PC-1330
SD-00114, 01259
Unicel C-5300
Unicel C-5601, C-5601RA
Jacuzzi Brothers 43-2954-01-R
Jacuzzi Whirlpool Bath Aero & Caressa (C/Top)
Jacuzzi Whirlpool (Front Load) 25 sqft
Jacuzzi Whirlpool 6199000
