Hot Spring® 77435 ESC Rotary Spa Jet 3.5" Type_Filter Cleaner check your spa's control panel

check your spa's control panel for IQ readings (chlorine

Other Ingredients: 2%

After soaking

For beginner swimmers and those looking for the next level of resistance

Hot Spring® 77435 ESC Rotary Spa Jet 3.5" Type_Filter Cleaner check your spa's control panelHot Spring 77435 ESC Rotary Spa Jet 3. 5" Overview A replacement spa jet used in your Hot Springs hot tub. ESC refers to Escutcheon, meaning a decorative plate or ring that surrounds the base of a spa jet where it meets the surface of the hot tub. It serves both a functional and aesthetic purpose by covering the hole in the tub's shell where the jet is installed, providing a clean, finished look while also helping to seal and secure the jet in place.