Our WDM 75 and WDM 98 are both ember-resistant, code-compliant, and tame ignition risks, but WDM 98 goes further and diffuses flames, providing even more peace of mind. Whichever one you choose, we've got you covered.
* 98% Effective at stopping dangerous embers based on independent research from the University of Southern Queensland
** 75% Effective at stopping dangerous embers based on data from 'Experimental investigation of structure vulnerabilities to firebrand showers, Fire Safety Journal, 2011' showing the size of embers that could enter the 1/8" aperture hole
*** When installed vertically