CASE/LINKBELT C & L Series: Upper and Lower Replaces OEM Glass (Upper) #KHN30460 - (Lower) #KHN30640. Both Upper & Lower are flat just like the original glass. Case Models: CX80C SR, CX145C SR, CX235C SR, 2016 CX145D SR, 2016 CX245D SR LC Linkbelt Models: 80x3, 145x3, 145x4, 235x3, 245x4. Offered in 1/4", 3/8" & 1/2" CLEAR POLYCARBONATE - SUPERCOAT™ BOTH SIDES. Upper & Lower Window Lead Times: ½” – up to 30 business days 3/8” – up to 45 business days ¼” – up to 45 business days Please call our office for more information! (765) 342-2300, text us at (765) 913-8121.