High Quality Humidifier Filter Water Panel Pad Designed To Fit Aprilaire Humidifier Models 560, 560A, 568, 600, 600A, 600M, 700, 700A, 700M, 760, 760A, 768, Fits Lennox WB2-17/WP2-18, Compare To Aprilaire 35 Water Panel Part # 35, Designed & Engineered by Crucial Air High Quality Water Filter Panel Pad Designed To Fit 560, 560A, 568, 600, 600A, 600M, 700, 700A, 700M, 760, 760A, 768 Compare To Aprilaire 35 Water Panel