what does par38 mean in lighting

PAR20 PAR30 PAR38 indicate the
Parabolic aluminized reflector - Wikipedia PAR38 LED Bulbs | LED LIGHTING | SUNCO How to Identify Your Reflector Bulb R20 and PAR20 lightbulbs LED Par 38 24watt vs Halogen Par 38 PAR38 LED Light Bulbs – AmeriLuck PAR38 LED Bulbs, Motion Activated | LED Comparing PAR / BR / MR light bulbs GE Lighting 240188 15W Par38 Shape Soft GE HD 90-Watt EQ LED Par38 Warm White Light Bulb Shapes, Sizes Comparing PAR / BR / MR light bulbs BR30 LEDs / BR40 LEDs: How and When to PAR 30 and BR 30 Bulb PAR38 LED LED spots - Philips PAR38 LED Bulbs | LED LIGHTING | SUNCO Light Bulb 70W 30deg Spotlight Dimmable PAR 30 and BR 30 Bulb 12PAR38/LED/840/F25/DIM/ULW/120V PAR38 - Light Bulbs - Lighting - The LED 100W PAR38 Flood Dimmable Warm White Philips 72W 120V PAR38 Halogen Flood GE LED+ Linkable Motion PAR38 Flood LED PAR 38 2700K | ION LIGHTING GE Relax LED 90W Dimmable Light Bulb FLOOD - 17W 3000K 1300L - 120V E26 DIM Enshine Par38 LED Flood Light Bulb, 18W Sylvania Renaissance PAR38 1050 Lm LED Sunlite 88082-SU | PAR38/LED/17W/FL40 120-Watt EQ LED PAR38 Daylight Dimmable Philips 120 Watt Equivalent, PAR38 LED 15W 120V PAR38 E26 LED Flood Bulb by Sunlite 88395-SU PAR38/LED/18W/FL35

Edward Daly: 'Bloody Sunday' Bishop Who Waved Handkerchief Dies what does par38 mean in lighting Conservatives Scramble For 'Stop Boris' Leadership Candidate what does par38 mean in lighting U.K. Officials Try to Reassure Allies on Path to Brexit what does par38 mean in lighting Uganda’s Top Police Official Summoned Over Torture Allegations what does par38 mean in lighting

what does par38 mean in lighting Gold White Black Red Blue Beige Grey Price Rose Orange Purple Green Yellow Cyan Bordeaux pink Indigo Brown Silver