PAR 20

Halogen Par 20 lamps are two piece 2.5 inch diameter bulbs with a standard E26 (medium screw) base.  The slightly elongated neck serves both as a heat sink and allows replacement of the 50R20 incandescent.  This lamps is available in a 35 watt version, a 50 watt version and a 70 watt version and it has a narrow spot (10 degree beam spread), a narrow flood (25 degree beam spread) and a wide flood (30 degree beam spread).