Murphy must have had a flashlight when he wrote his rules. Doesn't it always seem you never have a replacement bulb when you need one...and the hardware store never has the type you need. Stock up now, and don't get caught in the dark again!> UNLESS OTHERWISE NOTED...ALL SALES ARE FOR A SINGLE BULB PR4 - Fits (2) C-Cell Battery sized Flashlights Flashlight - 2 C Cells. 2.23V 0.4 Candlepower. Sold in 10-Packs Only. PR4$10.60 P14 - Fits (3) C-Cell sized Battery Flashlights (Mini-Screw Base) Flashlight - 3 C Cells. (Mini-Screw Base) 2.47V 0.5 Candlepower. Sold in 10-packs only. P14$13.15 PR2 - Fits (2) D-Cell sized Battery Flashlights Flashlight - 2 D Cells. 2.38V 0.8 Candlepower. Sold in 10-packs only. PR2$9.20 PR3 - Fits (3) D-Cell sized Battery Flashlights Flashlight - 3 D Cells. 3.57V 1.5 Candlepower. Sold in 10-packs only. PR3$11.60 PR6 - Fits (2) D-Cell sized Industrial Flashlights Flashlight - 2 D-Cells. (Industrial) 2.47V 0.45 Candlepower. Sold in 10-packs only. PR6$6.60 PR7 - Fits (3) D-Cell sized Battery Flashlights Flashlight - 3 D Cells. 3.70V 0.9 Candlepower. Sold in 10-packs only. PR7$12.20 PR12 - Fits (5) D-Cell sized Battery Flashlights Flashlight - 5 D Cells. 5.95V 3.10 Candlepower. Sold in 10-packs only. PR12$11.22 PR13 - Fits (4) F-Cell sized Hand Lanterns Hand Lantern - 4 F Cells. 4.75V 2.2 Candlepower. Sold in 10-packs only. PR13$12.00 PR15 - Fits (8) F-Cell sized Hand Lanterns Hand Lantern - 8 F Cells. 4.82V 1.9 Candlepower. Sold in 10-packs only. PR15$13.00 PR18 - Fits (6) D-Cell sized Battery Flashlights Flashlight - 6 D Cells. 7.2V 5.5 Candlepower. Sold in 10-packs only. PR18$12.80 PR20 - Fits (7) D-Cell sized Battery Flashlights Flashlight - 7 D Cells. 8.63V 5.0 Candlepower. Sold in 10-packs only. PR20$16.10