Hot Tub Serum Flipper | Oil-Absorbing Spa Sponge Type_Dough Cutter Pro Tip: This cartridge seals

Pro Tip: This cartridge seals at both ends — check yours before ordering

but by no means flimsy

Those 260 pleats create far more filtering surface than a coarse

77473 (50hz)

Hot Tub Serum Flipper | Oil-Absorbing Spa Sponge Type_Dough Cutter Pro Tip: This cartridge sealsFlipper is part of Hot Tub Serum's line of oil absorbing sponges a simple, chemical free way to keep your spa water clean. It floats on the surface and quietly soaks up the body oils, lotions, makeup, and other contaminants bathers leave behind, capturing them before they clog your filter or form scum lines on the shell. Those oils are the root of some of the most common spa annoyances. Left in the water, they collect at the surface and along the