Swiss Flow 600G Ultra-Premium Diffusion Media Filters An ultra-premium 600G ceiling media. Our Swiss Flow 600G series features an improved fiber and tack design to offer incredible efficiency for the most critical applications. You may be contacted with a freight quote for shipping The actual thickness of 1.125” Temperature resistance up to 212° F, F1 rated Available in bulk rolls, cut blankets, and panels Exceeds UL900, DIN53438, and EN779 Standards Performance Measure Swiss Flow 600G Diffusion Media* Initial Resistance (100 fpm) 0.3 wg Average Efficiency 5.5-7 Microns 99.8% Average Efficiency 7-10 Microns 99.9% Rating (100 fpm) MERV 9 *All data in above table is per ASHRAE Standard 52.2 Test 18-519-1 Literature: Data Sheet