Overview Other Details Reviews Product Description AT-H4992 is used to fill in the unused section when only one unit is fitted to the AT-H4990. Other Details 12 Month Australian Warranty Product Videos Custom Field Product Reviews Write a Review Write a Review × Redback Redback Half Rack Metal In Fill Panel to Suit AT-H4990 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *