Lennox 50W98 Return Air Base Kit,

17-1/2″ W

Use return air base kits 65W75, 50W98, 50W99 and 51W00 with A, B, C and D cabinet size gas furnaces installed in the upflow position. Quartz-Gray Finish.

65W75, Return Air Base Kit, Cabinet Size A, (W x D x H): 14-1/2 x 26-7/8 x 7-1/4″
50W98, Return Air Base Kit, Cabinet Size B, (W x D x H): 17-1/2 x 26-7/8 x 7-1/4″
50W99, Return Air Base Kit, Cabinet Size C, (W x D x H): 21 x 26-7/8 x 7-1/4″
51W00, Return Air Base Kit, Cabinet Size D, (W x D x H): 24-1/2 x 26-7/8 x 7-1/4″

Includes:

• 1 − Return air base
• 1 − Front plate
• 1 − Back plate
• 1 − Base plate
• 1 − Right hand side rail
• 1 − Left hand side rail
• 1 − Patch plate
• 12 − Screws
• Instructions