Elco Lighting 1-Light Universal Track Head - Walmart.com
T691 PAR38 Hi-Tech Mini Swivel Universal Track Fixture 120V by Juno Lighting | T691 WH | JUN26284
Progress Lighting Alpha Trak Collection Flat Back Universal Track Head in the Track Lighting Heads department at Lowes.com
WHITE basic LED track light H-style for PAR20, 30, 38
Line Voltage Track Lighting Open Back Universal Head 50158 Direct-Lighting.com (888)628-8166
Universal Track Head - Lumicrest LED Lighting
Hampton Bay 1-Light Black Linear Track Lighting Medium Based Universal Bulb Step Head 813810 - The Home Depot
KING SHA 2 Pack Universal Line Voltage Track Lighting Heads Compatible H Type 3-Wire Single Circuit Track Systems,E26 Base,White,ETL Listed - Amazon.com
Pro Track Archer White Universal Halo Track Bullet Light - #1X365 | Lamps Plus