{"product_id":"h-tube-twin-cfl-bulb-18w-24w-36w-4-pin-white-fluorescent-lamp","title":"H-Tube Twin CFL Bulb 18W 24W 36W | 4-Pin Fluorescent Lamp","description":"\n\u003ch2\u003eH-Tube Twin CFL Energy Saving Bulb – 18W \/ 24W \/ 36W\u003c\/h2\u003e\n\u003cp\u003eUpgrade your lighting with this high-quality H-Tube Twin-Tube Compact Fluorescent Lamp (CFL). Available in 18W, 24W, and 36W options, this 4-pin white fluorescent bulb delivers bright, consistent illumination while consuming significantly less energy than traditional incandescent bulbs. Made in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEnergy Efficient:\u003c\/strong\u003e CFL technology uses up to 75% less energy than standard incandescent bulbs, helping to lower electricity costs.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMultiple Wattage Options:\u003c\/strong\u003e Choose from 18W, 24W, or 36W to suit your fixture and brightness needs.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e4-Pin Base:\u003c\/strong\u003e Designed for standard 4-pin CFL fittings — compatible with a wide range of fixtures.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBright White Light:\u003c\/strong\u003e Emits a clean, white glow ideal for offices, workshops, kitchens, and utility spaces.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurable Glass Construction:\u003c\/strong\u003e Built from quality glass tubing for long-lasting performance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eH-Tube Twin Design:\u003c\/strong\u003e Compact parallel tube layout fits neatly into enclosed luminaires and recessed fixtures.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGlass\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBase Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4-Pin\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAvailable Wattages\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e18W, 24W, 36W\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLight Color\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWhite\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLamp Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCFL (Compact Fluorescent)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSizes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eA1: 22 cm \/ 8.66 in  |  A2: 32 cm \/ 12.59 in  |  A3: 42 cm \/ 16.53 in\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in Mainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePackage Contents\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 × CFL Bulb\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eImportant Notes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003ePhotos may not reflect the actual size — please refer to the specifications table above for accurate dimensions.\u003c\/li\u003e\n  \u003cli\u003ePlease allow ±5–10 mm variance due to manual measurement.\u003c\/li\u003e\n  \u003cli\u003eDisplayed color may vary slightly from the actual product due to monitor settings.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/10-pack-rubber-strain-relief-cord-boot-protector-sleeves-4-6-5-2-6mm\"\u003e10-Pack Rubber Strain Relief Cord Boot Protectors 4.6–6mm\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/waterproof-cable-gland-set-pg7-pg9-nylon-connectors-10-pack\"\u003e10-Pack Waterproof Cable Glands PG7 PG9 Nylon Connectors\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/25-in-1-precision-magnetic-screwdriver-set-pro-repair-tool-kit\"\u003e25-in-1 Precision Magnetic Screwdriver Set | Pro Repair Kit\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/hand-power-tools\" target=\"_blank\" rel=\"noopener\"\u003eOSHA guidance on hand and power tools\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What wattage CFL bulb should I choose – 18W, 24W, or 36W?\u003c\/h4\u003e\n\u003cp\u003eA: Your choice depends on your fixture's specifications and desired brightness. The 18W bulb (22 cm) is suited to smaller enclosed luminaires, the 24W (32 cm) works well for medium fixtures, and the 36W (42 cm) delivers the most light output for larger spaces such as offices or workshops. Always check your fixture's maximum wattage rating before purchasing.\u003c\/p\u003e\n\u003ch4\u003eQ: Is this CFL bulb compatible with my existing fitting?\u003c\/h4\u003e\n\u003cp\u003eA: This bulb uses a standard 4-pin base, which is common in recessed downlights, office luminaires, and enclosed ceiling fixtures. Before ordering, verify that your fixture accepts a 4-pin H-tube twin CFL and check the size (A1\/A2\/A3) against your fixture's tube length requirement.\u003c\/p\u003e\n\u003ch4\u003eQ: How long can I expect this CFL bulb to last?\u003c\/h4\u003e\n\u003cp\u003eA: Compact fluorescent lamps are designed for extended operational life — typically far longer than conventional incandescent bulbs. For best longevity, avoid frequent short on\/off cycles and ensure the bulb is used within a compatible, well-ventilated fixture.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What wattage CFL bulb should I choose – 18W, 24W, or 36W?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Your choice depends on your fixture's specifications and desired brightness. The 18W bulb (22 cm) is suited to smaller enclosed luminaires, the 24W (32 cm) works well for medium fixtures, and the 36W (42 cm) delivers the most light output for larger spaces such as offices or workshops. 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