For cleaning hard surfaces. Nylon and polypropylene scrubbing brushes feature .028" diameter fill material throughout the block. Nylon is more flexible and will last the longest, while polypropylene is an economical alternative. Steel Wire is the most aggressive of the series, for use on unfinished concrete surfaces. 10" thru 12" does not include showerfeed holes.

For cleaning hard surfaces. Features .028" diameter fill material throughout the block. Nylon is more flexible and will last the longest. Block Type: Plastic.