PAR (Parabolic Aluminized Reflector) lamps are powerful lights that focus light in one direction. They are great for indoor and outdoor spaces like track lights, recessed lights, and outdoor floodlights. 

PAR20 

PAR20 lamps are compact, with a diameter of 2.5 inches. They are suitable for accent lighting and are often used in residential settings to highlight artwork or architectural features. 

PAR30 Short Neck 

PAR30 short-neck lamps have a 3.75-inch diameter and a shorter neck design, making them ideal for shallow or compact fixtures. They provide a focused beam, suitable for track lighting and recessed cans. 

PAR30 Long Neck 

PAR30 long-neck lamps share the same diameter as their short-neck counterparts but feature an extended neck, offering flexibility in deeper fixtures. They are commonly used in retail and gallery settings for spotlighting. 

PAR38 

PAR38 lamps are larger, with a 4.75-inch diameter, delivering a broader and more powerful beam. They are ideal for outdoor security lighting, landscape illumination, and large indoor spaces requiring substantial light coverage. 

PAR36 Screw Base 

PAR36 lamps typically have a 4.5-inch diameter and are often used in landscape lighting and specialty applications. The screw base design allows for easy installation in compatible fixtures. 

PAR16 

PAR16 lamps are the smallest in the PAR family, with a 2-inch diameter. They are perfect for precise accent lighting, such as highlighting display cases or small architectural details.