A highly durable solvent-borne highly translucent satin woodstain Cetol Filter 7 is a highly translucent satin exterior woodstain for windows and doors It can be used as a maintenance coat for existing woodstain systems or over a base stain of Cetol HLS on new or bare timbers Cetol Filter 7 is an exterior woodstain for windows and doors either as a one-coat maintenance application for existing woodstain systems or two coats over a base stain of Cetol HLS on new or bare timbers Its advanced UV light absorbers provide superior protection from the damaging effects of sunlight on timber It is not however suitable for decking or other areas subjected to high levels of abrasion
