No. 437-01

Hydra Sponge for 437

This sponge is made to the same specifications as our Hydra sponges. Each sponge is also slit into 1" squares, 3/4" deep to present more sponge edges for better grout removal. Designed for use with the No. 437-02 Sponge Holder. Sponge measures 5" wide x 11" long x 1" high.