Camco Flying Insect Screen for Dometic Refrigerator Vents - Protects from Flying Insect Nests, 20&rdquo; x 1-1/2&rdquo; Stainless Steel Mesh, RS 600 - (3 Pack) (42149) Includes (3) screens measuring 20" x 1-1/2" Fits Dometic refrigerator vents which have 20" long louver openings Protects the refrigerator vents from flying insect nests Easy to install Heavy-duty stainless steel mesh cover