Cool White 4000K. Being almost circular, they are a great alternative to linear fluorescent tubes; compact, bright, they provide a good all round light. The regulations vary from country to country.
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TEUCER 8015 Computer Case Fan 80mm/92mm 4-pin PWM High Airflow Ultra-thin Cooling Fan 1200-3000RPM Cascadable FDB Bearing Fan
Aliexpress UK
4-Pin GR10Q Base: TobeBright 16W bathroom bulb features a 4-pin GR10q base, distinct from the 2-pin GR8! Easy to install, give the bulb a slight twist until it securely locks into place on the base.
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TEUCER UT-12015 PC Case Fan 120mm Ultra-Thin Cooling Fan 15mm Thickness 4-pin PWM 800-2400RPM Silent CPU Cooler Cooling Fan
Aliexpress UK
Cool White 4000K. Being almost circular, they are a great alternative to linear fluorescent tubes; compact, bright, they provide a good all round light. The regulations vary from country to country.
eBay
ARCTIC S4028 40x40x28mm Server Fan with Double Ball Bearing, 6000 / 15000 RPM, PWM Regulated, 4-Pin Connector 12 V DC Black
Aliexpress UK
4-Pin GR10q Base: Easy to install in standard 4-pin fixtures. Model: 2D Butterfly CFL. Beam Angle: 180° or More. Material: Glass tube + ceramic base. Energy Saving: Low power consumption while providing bright, consistent light.
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PRISM 4 RS Computer Case Fan 12cm ARGB 4 Pin Quiet Cooling Fan 12V Large Air Volume 800-1600RPM
Aliexpress UK
16watt Gr10q 2d. This 2D 28W Energy Efficient Bulb from Bell is suitable for ceiling lights and slim wall fittings. With an output of 3500k and a classic white shade, this bulb has an average life expectancy of 10,000 hours - perfect for bringing long-lasting illumination to your interiors.
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UPSIREN PF-14 PRISM 4PRO Computer Chassis Fan 140mm ARGB 4 Pin PWM Quiet Cooling Fan 12V Large Air Volume 47.2CFM/650-1800RPM
Aliexpress UK
The GR10q 16w 4 Pin 2D LED Lamp in warm white light colour is designed for use with HF Ballasts. With a bulb wattage of 16W and a beam angle of 180° or more, this LED lamp provides bright and efficient lighting for your home or office. Its 4-pin connector ensures easy installation and reliable performance, making it a practical choice for your lighting needs.
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DF0802512RFUN 8cm 80mm High-Speed Cooling Fan 4500RPM 4-Pin PWM DC12V 7.2W for PC Case/CPU Cooler
Aliexpress UK
1x Sylvania 38W GR10Q, 4 pin, Double D Energy Saving Light Bulb, 2D Lamp. White 3500K. Being almost circular, they are a great alternative to linear fluorescent tubes; compact, bright, they provide a good all round light.
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IEC Straight Cable Plug Connector C13 C14 Female Male Plug Rewirable Power Connector 3 Pin AC Socket Industrial Plug 16A 250V
Aliexpress UK
Ballast compatible incandescent bulb, incompatible led bulb. Ballast will cause the bulb flicker and even not work. [Square LED Bulb] This is 2d 4 Pin gr10q led bulb, warm white 3000k 190 190mm,Non-Dimmable.
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Efficient Cooling CPU Cooler Fan 3Pin 4 Pin PWM PC Quiet Intel LGA 2011 1700 775 1200 1150 1151 1155 1366 X79 X99 AMD AM3 AM4
Aliexpress UK