Pack Last items in stock Home Zehnder ComfoFond - L Eco filters a basic set of replacement filters for the recuperator Zehnder ComfoFond - L Eco podstawowy zł70.32 A set of filters for the recuperator Zehnder ComfoFond - L Eco providing basic air filtration. Two filters included. One for supply air and one filter for extract air. Filters for apartments, houses, facilities and buildings. They replace products with Zehnder numbers: 400100085 / 006040220 / 400100066 / 006040202 / 006040200 / 400100065. Air filters for... Add to cart