Single Entry Design A Convenient Single-Entry Panel Provides Adaptable Installation With Optional Right Or Left Hand Hinged Orientations Merv Filter Capable Fits Standard 1 Thick And Up To 2 Thick Filter For Rooms That Need Higher Merv Efficiency And Effectiveness Retrofit Flexibility Designed To Work With Current And Prior Series Ge Zoneline Vtacs (Az75. 85. 90. 91. 95); Along With Other Select Brands