Each package contains two Max stainless steel replacement scraper blades. For optimal cleaning performance, replace blades every 2-5 months.
Flipper Max Stainless Steel Replacement Blades - For Glass Tank Only. Flipper's patented design creates the only aquarium cleaner that can FLIP from scrubber to scraper simply by rotating the handle. Complete cleaning without ever getting your hands wet!
Blade Replacement Instruction:
1. Remove old blade by lifting up each tab and pulling.
2. Do not grab the sharp edge of blade when removing.
3. New blade will snap into place in only one correct direction.
4. For optimal cleaning replace blades every 2-5 months.