Comparison : Item # HS01A, 45 Degree HS-Series Surge Hopper
Item # HS02A, 45 Degree HS-Series Surge Hopper
Item # HS03A, 45 Degree HS-Series Surge Hopper
Item # HS05A, 45 Degree HS-Series Surge Hopper
Item # HS10A, 45 Degree HS-Series Surge Hopper