Aprilaire 400 用户手册

Please… Take a few minutes to visit us on-line at

to register your Aprilaire product.

If you do not have on-line access, please mail a postcard 

with your name, address, phone number, product purchased 

and date of purchase to: 

Research Products Corporation 

P.O. BOX 1828 

Madison, WI 53701

DP 10006405  10.04

©2004 Research Products Corp.

B2203619A

P.O. BOX 1467 • MADISON, WI 53701-1467