The GRACO 18B877 is a hopper kit designed for use with the SL340e Portable Self-Leveling Underlayment Pump. It is constructed with stainless steel wetted parts for durability and is intended to facilitate the gravity feeding of materials into the pump for efficient application of self-leveling underlayments. Key Features: Hopper Kit 18B877 (for SL340e pump) Stainless steel wetted parts GRACO SL340e Portable Self-Leveling Underlayment Pump Durable stainless steel construction for long service life Designed for gravity feeding of materials Optimizes pump efficiency and ease of operation Reliable performance in demanding environments Applications:Used for feeding self-leveling underlayment materials into the SL340e pump for floor preparation and leveling applications in construction and renovation projects. Installation Notes: Using genuine GRACO parts ensures compatibility, reliability, and optimal performance of the equipment. Ensure all connections are secure before operation Follow GRACO’s recommended installation procedures as outlined in the manual Regularly inspect hopper and connections for wear or damage Clean hopper and wetted parts after each use to prevent material buildup Inspect for corrosion or damage, especially in harsh environments Replace worn components with genuine GRACO parts