RECTANGULAR LEXAN® POLYCARBONATE SKYLIGHTS "CLICK" on any image to enlarge. Use your browser's "BACK" button to return. "PRICES WILL INCLUDE SHIPPING TO MAINLAND USA AT CHECKOUT." Please email us for shipping rates to Alaska, Hawaii and Other Destinations. 18" x 21" x 4" high skylight plus a 1-1/2" wide flat flange ( 21" x 24" OD ) CHOOSE SKYLIGHT COLOR Option 1 - CLEAR $84.45 Option 2 - WHITE $104.40 Option 3 - TINTED $88.65 Please Enter Phone Number "CLICK HERE" TO RETURN TO RV SKYLIGHTS. Company Terms and Conditions DISCLAIMER