Size: Diameter:290mm/11.5", Fits 12-14" Lampshade Openings(Please confirm the Openings of the lampshade before purchasing. Please refer to the picture example for the installation effect of the lampshade and diffuser.). Advantage: Made of 1/8" (3mm) thick DOUBLE SIDED frosted white acrylic sheet. This diffuser has good light transmittance, strong stability, durability, and heat resistance, can withstand the heat generated by the lamp, and has a long service life. Application: This diffuser can soften and diffuse the light of light bulbs, making it perfect for eliminating glare from CFL or LED bulbs, improving visual comfort, creating more comfortable, softer, and even lighting, protecting your eyes, and creating a pleasant and comfortable reading and working atmosphere for your living space. In addition, it also adds a clean and tidy appearance to many types of lighting fixtures. Multipurpose: This lampshade diffuser is easy to install and only needs to be placed on the bottom ring of the lampshade. In addition, it is widely used in DIY lighting projects. Just drill a hole yourself and you can install it on the top or bottom of the lampshade of a desk lamp, floor lamp, or hanging drum-shaped pendant light, using it to guide light for focused illumination or improve reading lighting. NOTE: 1.Please tear off the transparent protective film of the product before installation. 2.Please carefully confirm the inner diameter size of the lampshade before purchasing.3.When the Lampshade Diffuser is installed at the top of the desk lamp cover, to avoid overheating your lamp leave a little room on the edge to let heat escape. This diffuser can soften and diffuse the light of light bulbs, making it perfect for eliminating glare from CFL or LED bulbs, improving visual comfort, creating more comfortable, softer, and even lighting, protecting your eyes, and creating a pleasant and comfortable reading and working atmosphere for your living space. In addition, it also adds a clean and tidy appearance to many types of lighting fixtures.

Specification
Material: Acrylic; Diameter: 290mm/11.5inch; Thickness: 3mm / 1/8 inch;Packing List: 1 x Lampshade Diffuser

Advantage
This diffuser has good light transmittance, strong stability, durability, and heat resistance, can withstand the heat generated by the lamp, and has a long service life.

Instruction
This lampshade diffuser is easy to install and only needs to be placed on the bottom ring of the lampshade. In addition, it is widely used in DIY lighting projects. Just drill a hole yourself and you can install it on the top or bottom of the lampshade of a desk lamp, floor lamp, or hanging drum-shaped pendant light, using it to guide light for focused illumination or improve reading lighting.

NOTE: Please tear off the transparent protective film of the product before installation. It need to drill the holes by yourself