Dry Cleaning Smoke & Soot Sponges 8 Inch Hydramaster not by how much visible

not by how much visible (purple) light is seen

149-505 — 240 °F — MAXX 450D and 470D

We still get calls where somebody says

Uses oxidation to convert mal odours into odour-free compounds

Dry Cleaning Smoke & Soot Sponges 8 Inch Hydramaster not by how much visibleDry Cleaning Smoke & Soot Sponges 8 Inch 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. Specifications Size 8 inch