OEM Masport replacement vane pack for H1 Series pumps (H1F and HD1). Includes four (4) Kevlar vanes engineered to Masport tolerances for consistent vacuum and pressure performance. Vane replacement is a key part of routine pump maintenance for portable restroom trucks and liquid waste service vehicles. Use the Identify My Pump tool at masportpump.com to confirm compatibility before ordering. Masport part number: 968217.