The newly-upgraded UV-Protector Frosted Lens Diffuser Covers are more resistant to UV exposure than the regular ones. effectively preventing them from turning yellow after prolonged use. Muzata U-shape aluminum LED channel/profile is anodized extruded and has great heat dissipation. A frosted diffuser cover works well to help spread the light more evenly The inner width of the U102 LED housing is 16mm. SPECIALLY DESIGNED for waterproof LED strip lights and also suitable for 3528. 5050. and 5630 LED strip lights. It can also fit a waterproof light strip that is smaller than 16mm in width and 7mm in height. You can search Muzata LC03 or Muzata LC22 to get a continuous LED cover This LED channel DOESN'T have a SPOTLESS effect but provides high brightness and presents an elegant delicate look. Need LED channel with SPOTLESS LIGHTING EFFECT and better diffusing effect. please search MUZATA U103 or MUZATA U108. or MUZATA U118. We have a variety of choices. including silver or black channels. milky white or smoky black. or clear transparent covers. You can search Muzata LC03 or Muzata LC22 or Muzata LR1 to get continuous LED cover The LED channels are not flexible and bendable. These LED channels can be joined with extension connectors (search MUZATA LCB1) for longer-distance lighting projects. Or you may also search Muzata U102 2M to find 2M (6.6ft) LED channels. Muzata provides a 90-degree L-shape corner adapter(search MUZATA LC09). T-Shape Corner Connectors(search MUZATA LC20). or search MUZATA U106 to get bendable led channels PACKAGE INCLUDED: 5pcs silver aluminum LED channel housing. 5pcs milky white UV diffuser covers. 10pcs end caps. 10pcs mounting clips. 10pcs screws. Each LED housing segment is 1M (3.3ft). so the total length is 5M/16.5ft. The LED track and cover can be cut down to any length. Please search MUZATA LC22 if you need U102 diffusers of other colors