The OEM bulb in my spa burned out less than a week after purchase. I've tried several other substitutions with the same effect. This Philips lamp has been running for three weeks, so it's already 300% better than anything I've tried.
6 Pack ST58 Antique LED Edison Bulbs 60W Equivalent, 2700K Warm White, 95+ CRI Non-Dimmable E26 Medium Base Vintage LED Filament Light Bulbs
34 Review
12 Pack MR16 LED Bulbs 50W Halogen Equivalent - 5W GU5.3 4000K Neutral White Non-Dimmable 45 Degree Beam Angle For Landscape, Recessed & Track Lighting
39 Review
π G9 Ceramic Base LED Light Bulbs 4W Warm White 3000K - G9 Base Bulbs, Equivalent to 40W Halogen, 450LM, G9 Warm White Bulbs for Home Lighting, Pack of 5, Non-dimmable
29 Review
Antique 40W T14 Incandescent Light Bulb With Medium Screw Base (E26) By Bulbrite
35 Review
Set Of 4 Geeni Prisma Wi-Fi Multicolor LED Light Bulbs, 1050 Lumens, 2700K, Dimmable, No Hub Required, Compatible With Alexa And Google Assistant, 75-Watt Equivalent
41 Review
Bulbrite A19 Solana WiFi Connected LED Alexa Smart Light Bulb, Single-A19, Tunable 2200K-6500K Color Temperature, Frost Finish
28 Review
20 Pack 5CCT 4FT LED T8 Ballast Bypass Type B Light Tube, UL/FCC Certified - 18W, 2300Lm, 3000K-6500K Selectable
21 Review
Illuminate Your Space In Style With I-SHUNFA'S Stained Glass LED Light Bulbs - Perfect For Home, Parties, And Festive Occasions
14 Review