You won't find one. That van doesn't have a cabin filter.
Astro has no AC (cabin) filter.
The cabin air filter on a 2003 Chevy 2500HD is located inside the car. It is in the HVAC housing under the passenger side dash.
It's under the hood, on the passenger side.
The cabin filter is behind the lower passenger side of the dash. It can be reached from underneath the dash on the passenger side. A 5.5mm screw holds the cabin filter access door in place. Remove the 5.5mm screw, remove the access door, remove the two piece cabin filter.
there is no cabin filter
yes
There is no cabin filter on a 1989 Chevy Silverado.
if its the same as an 03 go under the hood to the passenger side of the car and where the wiper is unscrew that part of the cowl and there you'll find the cabin filter
There is no cabin air filter on the 2003 Chevy avalanche
No cabin filter on a 98
Owner of a 2002 Concorde - car has no cabin filter - aka air conditioning filter
There is not a cabin AC filter on a 2000 Chevy Cargo Van 2500. None of the full size Chevy vans have a cabin filter.