E-Simpo® 50-Pack CFL T8 to T5 Fluorescent Tube Side Cap Adapter,T8-T5 Tube Side Cap Converter, Allow You Install T5 28W CFL into T8 Fixture (L31 for 2ft/465mm T5 Tube) - - Amazon.com
28w T5 Adapter (Retrofit T8/T10/T12 Tube) - China T5 Fixture and T8 Fixture
T5 to T8 Adapter, T5 to T8 Lamp Holder Socket 16mm to 26mm Tube Light Fitting Converter, Used for T5 Fixture with T8 Tube 10 Packs
E-Simpo® 50-Pack CFL T8 to T5 Fluorescent Tube Side Cap Adapter G13 to G5 Tube Socket Adapter T8-T5 Tube Side Cap Converter, Allow You Install T5 28W CFL into T8 Fixture (L36 for 4ft/1165mm T5 Tube)
Traodin T5 T8 Wire Connector Power Cord Tube Power Extension Cord US Plug for T5 T8 Light Tube Integrated | Walmart Canada
SinLoon UL-LP Certification T5 T8 LED Tube Connector Adapter Cable Wire 8.5 inch Male to Female End Extension Cord for Integrated LED Fluorescent Tube Light Bulb Lamp Holder (2-Pack 3Pin M/F) - -
T8 to T5 lamp base converter T5 LED Tube holder adapter x10|holder adapter|lamp convertert5 to t8 converter - AliExpress