Tom from SWISCO responded:
January 30, 2018
Thanks for contacting us. I think one of these two rollers is definitely the best way to go, but it will also depend on the height of your housing. The housing on the 81-148 is 1-1/4" tall, but on the 81-162 the housing is 1-3/16" tall. This is an important difference and may decide which one would be best to use.
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