We have received the kitchen hood filter screens and installed them. I think it is the easiest and best way to catch the oil going up in the kitchen exhaust duct. No more grease hood cleaning needed, accompanied with high cost to get professionally cleaned. The filter pads are very easy to insert and there is no cleaning mess. When they have fully absorbed, just take them out and dispose, then insert the new filter pads. No more oil dripping, no more oil residue in the duct and fan that can lead to a fire. Thank you again for your help & service.