Hart&Cooley 4-Way Sidewall/Ceiling Registers #304 Hart&Cooley Directional Ceiling Diffusers Hart & Cooley 4-Way Sidewall/Ceiling Registers #A504 Opposed Blade Hart & Cooley 2-Way Corner Ceiling Diffusers #A505 Hart & Cooley Sidewall/Ceiling 4-Way Registers #A614 Multi-Shutter Valve Hart & Cooley 3-Way Sidewall/Ceiling Registers #631 Multi-Shutter Valve Hart & Cooley Sidewall Register #651, White Hart & Cooley White Return Air Filter Grille #659 Hart & Cooley White 2-Way Sidewall/Ceiling Register #661 Hart & Cooley White Return Air Grille #672 Schill's, llc 103 Curtis Street Arlington, WI 53911 Limited Hours Customer Service: 888-528-0225 Email: Info@Schills-Humidifier.com Fax: 608-592-3205 Manufacturer's Numbers: Aprilaire: 800-334-6011 Broan Fan/Heater Questions: 800-637-1453 Delta Faucet Questions: 800-345-3358 Grohe Faucet Questions: 630-582-7711 Hart & Cooley Questions: 616-656-8200 Kohler Faucet Questions: 800-456-4537 Moen Faucet Questions: 800-289-6636 Stiebel-Eltron: 800-582-8423