Cryspool	4ch-24
O.D.	4 5/8"
Length	9 3/4"
Top	Handle
Bottom	1 1/2" MPT Threaded
Filtration Area	25 Sq.Ft. SQ.FT
Replaces	Pleatco PGS25P4 \| Unicel 4ch-24 \| Filbur FC-0131

Cryspool	4ch-21
O.D.	4 5/8"
Length	8"
Top	Handle
Bottom	1 1/2" MPT Threaded
Filtration Area	18 Sq.Ft SQ.FT
Replaces	4ch-21丨20245-238 \| SD-00845 \| SD-00821 \| SD-00838 \| SD-00001 \| SD-00612 \| PTL18-XP \| SD-01161 \| PTL18-4 \| SD-01363 \| PVT-25N \| PA17 (PAD OPT) \| PA13 \| PSI18 \| PTL18P-4 \| PTL18P4-4

Cryspool	CP-028
O.D.	5-1/2"
Length	7-1/4"
Top	3" Open
Bottom	3" Open
Filtration Area	28 Square Feet SQ.FT
Replaces	Aquarest Dream Maker 461273, PDM28, 2015 newer Aquarest Spas

Dream Maker Filter