![Sylvania A19 Halogen 28W=40W Replacement Double Life Light Bulbs, Soft White - 4x4.0 pack | Wholesale Club Sylvania A19 Halogen 28W=40W Replacement Double Life Light Bulbs, Soft White - 4x4.0 pack | Wholesale Club](https://assets.shop.loblaws.ca/products/20627028/b2/en/front/20627028_front_a06_@2.png)
Sylvania A19 Halogen 28W=40W Replacement Double Life Light Bulbs, Soft White - 4x4.0 pack | Wholesale Club
Are lumens linearly additive? If I have two light sources side by side emitting 1000 lumens each, am I going to have the same amount of light emitted in an enclosed room
![26 Watt CFL Light Bulbs | 2 Pin G24D-3 Base 5000K Daylight | 26W High Output 1800 Lumens | Double Tube Compact Fluorescent Light Bulbs Plug-in | 10 Pack by GoodBulb - Walmart.com 26 Watt CFL Light Bulbs | 2 Pin G24D-3 Base 5000K Daylight | 26W High Output 1800 Lumens | Double Tube Compact Fluorescent Light Bulbs Plug-in | 10 Pack by GoodBulb - Walmart.com](https://i5.walmartimages.com/asr/ac382354-60e7-4fe4-b0e1-8548d0f6b9b0.983dee6c13b29a8e2dd93ab5d4dcdbb9.jpeg?odnHeight=2000&odnWidth=2000&odnBg=FFFFFF)
26 Watt CFL Light Bulbs | 2 Pin G24D-3 Base 5000K Daylight | 26W High Output 1800 Lumens | Double Tube Compact Fluorescent Light Bulbs Plug-in | 10 Pack by GoodBulb - Walmart.com
![R14 LED Light Bulb, 4.5w (40w Equivalent), Dimmable, 300 Lumens, 3000k Soft White, E26 Medium Base, RoHS Compliant (Pack of 2), LED Bulbs - Amazon Canada R14 LED Light Bulb, 4.5w (40w Equivalent), Dimmable, 300 Lumens, 3000k Soft White, E26 Medium Base, RoHS Compliant (Pack of 2), LED Bulbs - Amazon Canada](https://m.media-amazon.com/images/I/61RkXk+uBmL.jpg)
R14 LED Light Bulb, 4.5w (40w Equivalent), Dimmable, 300 Lumens, 3000k Soft White, E26 Medium Base, RoHS Compliant (Pack of 2), LED Bulbs - Amazon Canada
![SYLVANIA Incandescent Double Life Décor Globe Light Bulb, 40W, G25, Medium Base, 265 Lumens, Frosted, 2850K, Soft White - 3 Pack (15345) - Amazon.com SYLVANIA Incandescent Double Life Décor Globe Light Bulb, 40W, G25, Medium Base, 265 Lumens, Frosted, 2850K, Soft White - 3 Pack (15345) - Amazon.com](https://m.media-amazon.com/images/I/71sZJTCQBXL._AC_UF894,1000_QL80_.jpg)
SYLVANIA Incandescent Double Life Décor Globe Light Bulb, 40W, G25, Medium Base, 265 Lumens, Frosted, 2850K, Soft White - 3 Pack (15345) - Amazon.com
![Sylvania 25 Watt B10 E12 Double Life Incandescent Light Bulb in 2700K Soft White Color Temperature (4-Pack) 10541 - The Home Depot Sylvania 25 Watt B10 E12 Double Life Incandescent Light Bulb in 2700K Soft White Color Temperature (4-Pack) 10541 - The Home Depot](https://images.thdstatic.com/productImages/021f1072-2f77-417f-b016-d6ba0403f64d/svn/sylvania-incandescent-light-bulbs-10541-64_600.jpg)
Sylvania 25 Watt B10 E12 Double Life Incandescent Light Bulb in 2700K Soft White Color Temperature (4-Pack) 10541 - The Home Depot
![NOMA T3 118mm Double-Contact Base, Dimmable Halogen Light Bulbs, 9500 Lumens, 500W, 2-pk | Canadian Tire NOMA T3 118mm Double-Contact Base, Dimmable Halogen Light Bulbs, 9500 Lumens, 500W, 2-pk | Canadian Tire](https://media-www.canadiantire.ca/product/fixing/electrical/light-bulbs/0525254/halogen-t3-118mm-500w-p2-noma-dc-b1c55fa2-53d8-43a3-97a0-2f1214c6612c.png)
NOMA T3 118mm Double-Contact Base, Dimmable Halogen Light Bulbs, 9500 Lumens, 500W, 2-pk | Canadian Tire
![LED Flood Light Bulbs, BR30 WiFi Smart Bulb, E26 Color Changing Light Bulb, Works with Alexa & Google Assistant with App Control, Dimmable Recessed Can Light Bulbs, 8W=65W, 700 Lumens, 2 Packs, LED Flood Light Bulbs, BR30 WiFi Smart Bulb, E26 Color Changing Light Bulb, Works with Alexa & Google Assistant with App Control, Dimmable Recessed Can Light Bulbs, 8W=65W, 700 Lumens, 2 Packs,](https://m.media-amazon.com/images/I/51PcZgcGDVL._AC_UF894,1000_QL80_.jpg)