Overview Reviews Product Description RETURN GRILL MEDIA FILTER - 18 X 18 X 3. MERV 13. Product Videos Custom Field Product Reviews (No reviews yet) Write a Review Write a Review × Resideo RESIDEO RETURN GRILL MEDIA FILTER - 18 X 18 X 3. MERV 13. Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name *Email *Review Subject *Comments