South Western Model Company’s F Unit roof top coils “Sand Filler Hatches” has been added to your cart. View cart $6.00 South Western Model Company's F Unit roof top coils quantity Add to cart SKU: DHRTC Category: Plastic Parts Related products A Unit, shell only $25.00 Add to cart Sand Filler Hatches $7.00 Add to cart Side Panel (Pair of 5 Differing Sets) $8.00 Add to cart Leslie Tyfon Air Horns (pair) $10.00 Add to cart