what does par20 mean on a light bulb

What are PAR20 LED Light Bulbs Used For
Comparing PAR / BR / MR light bulbs What are PAR20 LED Light Bulbs Used For the difference between par20 par30 par38 What are PAR20 LED Light Bulbs Used For PAR20 LED Bulb 75W Replacement, Bioluz LED PAR20 Light Bulb 8 Watt 500 Lumens TORCHSTAR 50 Watt Equivalent, PAR20 LED PAR20 LED, Dimmable Light Bulb, Warm PAR20 LED Light Bulbs – AmeriLuck 50W LED PAR20 5000K 2PK - - Amazon.com Light Bulb Shapes, Sizes PAR20 Dimmable Indoor LED Light Bulb 7PAR20/LED/F25/827-822/E26/GL/DIM 120V Philips 7 Watt (50 Watt Equivalent TriGlow 50-Watt Equivalent PAR20 PAR20 LED Bulb | Dimmable LED Spot Light Sylvania DoubleLife 50W PAR20 Halogen PAR20-50W-P1-27K-25NF-E26-U1 Spot Light Bulb Dimmable, 50W Shop Luxrite PAR20 LED Dimmable Bulb PAR20 LED Light Bulbs – AmeriLuck GE Nighthawk 100 W Equivalent Dimmable LED PAR20 short neck outdoor flood NOMA 50W PAR20 LED Light Bulbs, 2-pk Soft White 3000K LED Light Bulb (Pack Lite Way Led Par20 10w ww Household LED Comparing PAR / BR / MR light bulbs CRi\u003e95 PAR20 Reflector 5W E27 Dim 3000K 50-Watt Equivalent Par20 Led Light Bulb Shop Luxrite PAR20 LED Dimmable Bulb GE Reveal 50-Watt EQ LED Par20 Color LED PAR20 Dimmable Warm White Flood Luminus LED 7 W PAR20 Dimmable Bright

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