Compatibility built-in. 
100% Backwards compatible with previous units. AquaBlade scraper fits the old blades, AquaBlade blades fit the old scraper.

Blades full of sharp ideas. 
The AquaBlade cyan blade was created by testing countless different types of plastics and plastic blends. The results are a special self lubricating plastic that is softer than acrylic, so it will not scratch acrylic.

Made in the USA!