Cutequeen Trading 10pcs Red 31mm(1.25") 5050 4-SMD 4SMD 12V Festoon Dome Light LED Bulbs FOR RV DE3175DE3021 DE3022 3175(pack of 10) Size: 15mm x 31mm (0.59" x 1.25") Color: Red (with 181 degree light output) Type: 5050 4-SMD 4SMD 10 bulbs included in this pack RV Only for DC 12V vehicles The 1.25" (31mm) led light bulbs will fit 3021 3022 3175 6428 6430 DE3175 DE3021 DE3023 etc.