Cetol Filter 7 is a solvent-borne satin exterior woodstain for windows and doors. It can be used as a maintenance coat for existing woodstain systems or over a basestain of Cetol HLS on new or bare timbers.
Designer Colours recommend this product highly for a fine finish and durability!
Apply 2 liberal coats over 1 coat of Sikkens Cetol HLS. Do not sand between coats.