Granite Gear Air Compressor Size Chart
  X-Small Small Medium Large
Dimensions (in) 5x7.25x16" 5.25x7.75x17" 6x8.75x19" 7x10x20.5"
Capacity (cubic in) 475 675 975 1400
Product Weight (grams) 50 63 70 83

These are general guidelines only, sizes are not guaranteed. But no worries, since at SunnySports we offer our exclusive PFF Guaranty