1
/
of
0
Spa Craft
Signature/Bullfrog Spa 25 SQFT Replacement Cartridge
Signature/Bullfrog Spa 25 SQFT Replacement Cartridge
Has a open top and the bottom has a coarse thread spigot.
The open top is designed so you can purchase a cap that will hold a Nature 2 stick in the centre of the filter.