The Air Knife Design is made available by us that is adequately designed to handle its job efficiently. It features pressurized air plenums which have a series of holes or continuous slots. Pressurized air travels through these slots and exits in a laminar flow pattern. The air knife is one way to physically locate an accurate depth of existing utilities. The air knife is adequately designed to handle its job efficiently. It is designed for direct blow-off-air to food contact, and meets 3A Standards for clean-ability. The offered air knife design is very effective.