232555 MAT FOR EMERGENCY DRAIN DAMMIT, 22.5CMX20CM 12'S

To stop oils and chemicals going down the drain. Resistant to oil, water and most chemicals. Also used by most fire services as first line pollution defence. Simple to use – peel off cover and tread onto drain. This product gives 100% seal even on rough surfaces. Place in areas of high risk in the wall mounted box. Unique anti-freeze and anti-mould properties and remains flexible to –20oC.