Want filters packaged in sets of 5 filters, each 4.0 x 16.0 inches, with four or five layers of media glued together. Layers include 1.0 micron ASHRAE media, polyester pre-filters, and activated charcoal layers. Also looking for a HEPA material layer in some filters. Additional custom filters will have a layer of activated charcoal and a layer of potassium permanganate and alumina impregnated charcoal media for odor reduction. Price range is $2 to $7 depending on the material used in fhe filter for a set of 5 filters baged for sale as one package. Total media area of all 5 filters is 20.0 inches by 16.0 inches, cut into five filters 4.0 inch x 16.0 inches. Back includes customer logo and product name imprinted on the plastic material. Layers are typically glued together at the edge with hot glue material.