Bynome 2D 28W 4 Pin Light Bulb Gr10q Caps Cap Standard White (6500k) Compact Fluorescent Lamp,Energy Saving Lamp

【BRIGHT FUNCTIONAL LIGHTING】 Premium GR10q 4 pin bathroom light bulbs delivering a powerful 6500K daylight white glow. Specially engineered to enhance functional spaces like bathrooms, kitchens, corridors, communal hallways, stairwells, and rental properties with clear visibility. 【EXACT 28W SPECIFICATIONS】 This high-output compact fluorescent 2D bulb features an exact 4-pin GR10q push-in base fitting. Delivers up to 2000+ lumens utilizing advanced tri-phosphor technology for crisp color clarity and superior brightness across modern interiors. 【IMPORTANT CRITICAL SIZE CHECK】 Measures approximately 20x20cm (large size 2D lamp). Please note: This 28W fluorescent bulb is approx. twice the size of a 16W bulb. Ensure your bulkhead ceiling light frame is larger than 20cm and compatible with 4-pin, NOT 2-pin ballasts. 【LONG PERFORMANCE & ECO SAVINGS】 Enjoy enduring performance with a long life service life up to 8000 hours, significantly cutting maintenance costs for property owners. Features energy saving technology that drastically reduces utility bills while providing steady illumination. 【EFFORTLESS SECURE INSTALLATION】 Designed for user-friendly, tool-free installation. Perfect for bulkhead, moon, and round ceiling fixtures. Simply match the 4 pins to the 28W ballast socket, insert, and turn on the power for a non-dimmable, instant-on, flicker-free light source., Manufacturer: Bynome