1.[All Tools in One]Always avoid the high cost and use of dilapidated glass windows. Now choose this window filter replacement kit which includes all tools: window filter, roller filter tool, filter fixing spline, knife, spline removal hook and measuring tape.Follow our instructions and you can do it in 10 minutes after four steps. 2.[Wide range of applications] Suitable for all types of wire doors, wire windows, sliding door windows, Patios, etc.Easily remove old and broken screens scratched by debris.[benefits of sail windows] the interior view is clear and fresh air circulates smoothly. 3.[advantages of the sieve] the sieve provides sun protection;It can be washed and exposed to sunlight - this fiberglass screen has a lifespan of at least five years. 4.[good choice after contrast] all accessories are of good quality, better than those in the supermarket. 5.The curtains are folded in the package, but the creases will naturally disappear for a while after complete installation.