Bynome 2D 28W 4 Pin Light Bulb Gr10q Caps Cap Bathroom Ceiling Compact Fluorescent Lamp,Energy Saving Lamp (Warm White 3500K)

【IMPORTANT COMPATIBILITY CHECK】 This is a GR10q 4-Pin light bulb, NOT a GR8 2-pin base. Operates on AC 220-240V, requires a ballast, and is Non-Dimmable. Please check your existing bathroom or flush ceiling light fixtures carefully before purchasing to ensure a perfect fit. 【LARGE 20X20CM BULB SIZE】 Features the classic 2D square/butterfly tube design with a large profile size of 20x20cm (19.5cm length). Please note this 28W lamp is larger than the 16W variant (13.3x13.3cm) and cannot fit into small-profile compact fluorescent light fixtures. 【BRIGHT & COZY ILLUMINATION】 Emits a soft, comfortable 3500K warm white light at 2000 lumens. Delivering stable, flicker-free, and noise-free performance with a high color rendering index (Ra > 80), it ensures vibrant colors and prevents eye strain in your living space. 【ENERGY CLASS A EFFICIENCY】 This 28W compact fluorescent lamp (CFL) offers exceptional energy saving capabilities, replacing power-hungry traditional bulbs. Boasting a long-lasting lifespan of up to 10,000 hours, it significantly reduces the hassle and cost of frequent replacements. 【WIDE INDOOR APPLICATIONS】 Ideal for standard 2D flat fittings, recessed ceiling lights, and spotlight fixtures. Perfect for both residential and commercial spaces, including bathroom ceiling lights, kitchens, corridors, stairwells, utility rooms, and offices., Weight: 0.3968320716 pounds, Manufacturer: Bynome