Machine Washable & Reusable – Designed for repeated commercial use

The 1 to 8 ratio is based on chemicals with a similar viscosity to water

surpassing standard brass valves

Why put a white pad behind it

CAT 3CP Hot & Dry Seal Kit

Dry Cleaning Smoke & Soot Sponges 8 Inch Pads Blocks & Booties Machine Washable & Reusable –Also known as "chemical sponges", these natural rubber sponges are designed to remove soot from fires in a dry state. The tiny porous cells of the sponge lift soot from surfaces quickly without smearing. Ideal for painted surfaces, wallpaper, acoustical tile, paneling, lamp shades, paintings, and other surfaces. These individually wrapped sponges may be reused many times by washing.