This is our answer for backglass and windshield applications, this is the Cyclone! It can be purchased in both 5 and 8 inch variants.
 
Designed 100% with the installer in mind, this squeegee blade will fit almost any squeegee handle on the market. It has been fine tuned with durability and maximum water/slip extraction on heavily curved surfaces in mind.
 
We classify this blade as a MEDIUM/FIRM squeegee as it reads @ 87 Durometer.
 
This configuration allow the blade to glide effortlessly across the film as it contours to the defrost lines to remove vast amounts of slip soloution. 
 
The Cyclone is a proprietary blend of materials that has the best wear resistance in any tool of its kind; the blades are made from a special material and are 100% MADE IN THE USA by Gasket Pro Tools.
 
When MAXIMUM EXTRACTION on curved surfaces counts, you can count on the Cyclone line of blades. Satisfaction guaranteed.