Overview Reviews Product Description 3.5 x 5 Foam Pre Filter for Animal AFR1100 Filter Product Videos Custom Field Product Reviews Write a Review Write a Review × TRJ KARTING Pre-filter, foam 3-1/2" x 5" (fits AFR1100) Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *