30" & 36" REPLACEMENT FILTER FOR PROFESSIONAL RECIRCULATING KITS - CFV13(P)The replacement charcoal filters for Professional recirculating kits are for use with 30" and 36" wide hoods.( P)(P) Model Numbers CFV13(BR)( P) (P)The replacement charcoal filters for Professional recirculating kits are for use with 30" and 36" wide hoods.( P)(P)CFV13 for use with 30 inch and 36 inch wide hoods( P)(P)For use with VRK conversion kits. Replacement is recommend every 6 12 months.( P)(P)Includes 2 filters.( P)