Hart&Cooley Baseboard Diffusers #406 Hart&Cooley 18" White Baseboard Return #407 Model 11960 $16.95 Hart&Cooley 2 Foot Baseboard Diffusers #462 Hart&Cooley 2 Foot Baseboard Returns #472 Hart&Cooley 4 Foot Baseboard Diffusers #464 Hart&Cooley 4 Foot Baseboard Returns #474 Hart & Cooley Baseboard Registers with Damper #654 Hart & Cooley Baseboard Register with Damper #655 Hart & Cooley Baseboard Return Air Grille #657 Hart & Cooley White Baseboard Return Air Grille #658 Hart & Cooley White Baseboard Register #664 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