A water base gel incorporating surface active agents and a soap like controlled release of perfume which has been selected because of its especially non allergenic nature.
As air passes over the Sponge, the perfume is slowly released. Independent laboratory tests have shown Fresh Air Sponge to have a particular capacity to neutralise ammonia odours in the air.
Fresh Air Sponge is non-flammable non-combustible and environmentally safe when used in accordance with the load chart.
Fresh Air Sponge can be effective for up to 3 months, depending on conditions.