Hot Spring® 30 Sq Ft. Hot Tub Filter Caldera Pillow Hot Tub Filter is the

Hot Tub Filter is the replacement filter for the following Tropic Seas models:

FROG Test Strips are specially formulated to effectively read the lower chlorine or bromine levels used in the Spa Frog systems

All of our Hot Spring® Hot Spot Collection filters

Test strips expire

depending on the level of CYA present

Hot Spring® 30 Sq Ft. Hot Tub Filter Caldera Pillow Hot Tub Filter is theThe Hot Spring 30 Sq Ft. Hot Tub Filter is used in the following hot tub models: Hot Spring spas 1991 current. Hot Spot SX & TX models 2011+ Solana Spas (all years) Filter Specs: 30 Sq Ft. filtration Height: 10 1 2" Diameter: almost 5 3 4" Center Hole Diameter: 2" The Hot Spring 30 Sq Ft. Filter has a life expectancy of approximately 1 year if maintained properly. Did You Know? The Hot Spring 30 Sq Ft. Paper Hot Tub Filter is interchangeable with the