LH0272 2G11 4 pin CFL lamp holder/socket with two hole and snap in horizontal mounting
23 Watt 5000K 4-Pin 2G11 Base Single Twin Tube PL-L LED Bulb, Ballast Bypass | LED PLL 23WT5/115°/FR/50K/2G11/120-277V | Bulbs.com
2G11 Lampholder,4-pin Lamp Socket Connector for Fluorescent or LED Tube Lamp (Pack-2)
2 pieces - 2G11 Fluorescent Lampholder / Socket For PL-L and TC-L lamps BJB | eBay
JQslight 2G11 4 Pin Base LED Light Bulb, 2G11 LED Plug and Play 2G11 LED Tube 36W CFL/Compact Fluorescent Lighting Garages Light Horizontal Plug for Workshop, Recessed Cans
Philips 60W TUV 4 Pin 2G11 Germicidal Long Single Twin Tube CFL Bulb | TUV PL-L 60W/HO/4P (Germicidal) | Bulbs.com