Features: SAVE YOUR PRECIOUS TIME and EFFORT: With the gutter guards make sure that your gutters and down pipes are protected from leaf debris, roof moss, twigs and dirt. EASY TO INSTALL: Measure the inner size of downspout, no tools required, simply push them into holes. For smaller holes, you can squeeze or use plier to shape for fitting. EFFECTIVE STRUCTURE: This design works well for needles. Spherical shield head, flow-direction slot gaps make leaves stop around, dirty and needles go into the tube. The size can be applied to holes of 2.5 to 3.7. Its also one of the most beautiful gutter guard strainer in appearance. A MUST-HAVE FOR EVERY GUTTERING SYSTEM: By preventing leaf debris, twigs, roof moss and dirt from clogging your pipes, you can easily make sure that your guttering system stays in perfect condition for longer without the need for costly repairs and constant unclogging. Specifications: Material: PP Color: black PCS: 1pc, 4pcs Size: (Approx) (LxW) 12X14CM/4.7x5.5inch Package Included: 1 PC/4 PCS x strainer Features: 1. Effectively prevent leaves, branches, debris and debris from falling into the drain. 2. Effectively prevent opossums and parasites from breeding in roof drains. 3. Effectively prevent birds from entering the house and making nests inside. 4. It helps the drainage pipe to accumulate too much water and cause overflow. 5. Effectively prevent snakes from living in the drain. 6. Effectively reduce the parasitic of mosquitoes. 7. Effectively help filter out floating objects on the water. 8. Extend the service life of the drain pipe. 9. Easy to install