Where is air filter for a/c Located? on 1993 Toyota Pickup

They say to replace this it makes the a/c run better but can not locate it. please help

by in Winston Salem, NC on February 10, 2012
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2 answers
ANSWER by , February 17, 2012
It was an option on your truck, you may not have one.
ANSWER by , February 10, 2012
behind or under your glove box there will be a trap door