| Aluminum Filter, Model F-210, for use with Model SP A50-A190 | $22.00 | | |
| Aluminum Filter, Model F-220, for use with Model SP A200-A390 and SP B50-B200 | $22.00 | | |
| Aluminum Filter, Model F-260, for use with Model SP A900-A1550 | $29.00 | | |
| Ceiling Radiation Damper, For Models SP-80 and SP-110 | $172.00 | | |
| Ceiling Radiation Damper, Size 310, For Model SP A50-A190 | $115.00 | | |
| Ceiling Radiation Damper, Size 320, For Lighted Model SP A200-A390 and B50-B200, Product # 846347 | $203.00 | | |
| Ceiling Radiation Damper, Size 320, For Model SP A200-A390 and B50-B200 | $124.00 | | |
| Ceiling Radiation Damper, Size 350, For Model SP A410-A510, A710 and A780 | $173.00 | | |
| Control Switch, Minimum Ventilation, Product # 876265 | $209.00 | | |
| Dehumidistat, 120V/3 Amp, Product # 385364 | $127.00 | | |
| Designer Filter, Model F-200, for use with Model SP A50-A390 and SP B50-B200 | $22.00 | | |
| Designer Grille, for Model SP-C50, Product # 455478 | $32.00 | | |
