Aperture’ AL-MW Waterproofing Product Manual or award Mark you for purchasing the Aperture AL-MW. Instructions Please read this product manual carefully. Keep this product manual. Always include this product manual when passing the products on 1o third parties. Heed all wakings and follow all instructions in this product manual. WARNING: Do not place the product n a place where there: are convulsive chemicals to protect the product from commission corrosion may cause the product to malfunction .