UPPER & LOWER Replaces Yanmar Glass #172B11-69180 & #172B11-69360 Model: SV100-2 Offered in 1/4", 3/8" & 1/2" CLEAR POLYCARBONATE - SUPERCOAT™ BOTH SIDES. Lead time: 25-30 days - Made to order. To buy multiple windows, add one window at a time as separate items. Not sure what thickness to get? Click here for info.