Felco Replacement Cutting Blade #2/3 free-shipping the Sigma 20 features a

the Sigma 20 features a rust-resistant galvanized pipe frame and 6mm double-wall polycarbonate panels

Aflas O-Rings throughout the unit

Designed for growing plants indoors and protected areas

Color shift from dark brown to light brown indicates when it's time to water

Felco Replacement Cutting Blade #2/3 free-shipping the Sigma 20 features aWhen the blade and the anvil blade no longer cross, or when the blade is badly damaged, it is advisable to change it. Regulate the working of the blade and anvil blade by adjusting the tightening of the nut. This replacement blade is designed to fit Felco F2, F4 & F11 Pruners. Replacement Blade #2 3.