Leaving windows open and unlocked has never been easier or safer. Window Warden™ window guards (Model WW-2PK) let you enjoy fresh air while limiting window openings to no more than 4 inches, preventing them from opening further. Ideal for homes with children or anyone seeking added safety. Compatible with most double-hung windows, sliding windows, and sliding doors—not designed for casement, awning, or hopper-type windows. Available in off-white and sold as a 2-pack. • Effortless Installation: Quick and easy to set up with no hassle. • Compliant with Safety Standards: Meets ASTM F 2090-10 (Sections 8.5-8.9) and the 2009 International Residential Code, Section R612.4 for window opening limiting devices. • US-Based: Cardinal Gates has been in business since 1993 and our operations are based outside of Atlanta GA.