Image Item No. Description By  29b  Window 1 x 1 x 2 with Extended Lip, no Glass Catalog: Parts: Window 1  27  Window 1 x 2 x 1 Catalog: Parts: Window 23  27c01 (Inv)  Window 1 x 2 x 1 with Trans-Clear Glass (27 / 27glass) Catalog: Parts: Window 42