Photo 1 of (Pack of 3) 13 Watt Single Tube 2 Pin GX23 Base - 5000K Bright White 50K - CFL Light Bulb - Replacement for Sylvania 21135 CF13DS/850- Philips 146878 PL-S 13W/850 and GE 97572 F13BX/850

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Photo 1 of (Pack of 3) 13 Watt Single Tube 2 Pin GX23 Base - 5000K Bright White 50K - CFL Light Bulb - Replacement for Sylvania 21135 CF13DS/850- Philips 146878 PL-S 13W/850 and GE 97572 F13BX/850Photo 2 of (Pack of 3) 13 Watt Single Tube 2 Pin GX23 Base - 5000K Bright White 50K - CFL Light Bulb - Replacement for Sylvania 21135 CF13DS/850- Philips 146878 PL-S 13W/850 and GE 97572 F13BX/850