From the IPD page:
70 series and some 850 models have a pollen filter which protects you
and your passengers from pollutants and pollen entering your climate
controlled environment. A plugged filter will reduce the comfort level
and protection to you and your passengers against airborne
contaminants. The filter should be replaced about every 20,000 miles
for best comfort, however, it depends on conditions in your area.
850 models without a filter can use our replacement element if the
factory accessory kit 9192522 has been installed. If it hasn't we
offer a filter adapter that works great!
850, 70 series 1993-2000 paper filter (10-1/8"x6-5/8") $24.50
850 1993-97 pollen filter adapter $18.25
http://tinyurl.com/2x5ck
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Randy & \ \/ /alerie's
\__/olvo
'93 960 Estate