M350POWGX390 - Banjo M350 Pump Head with Honda GX390 E-StartPrice Includes Courier Ground Shipping to Most of Canada Please call for Pricing Picked up at our Stettler Alberta Warehouse. The new M350 pump saves money in spraying operations. M350 FastFlow technology utilizing a customized diffuser design greatly increases flow rates. With performance over 500 gallons per minute (Plumbed 4" Suction) , you'll spend less time filling, which means less downtime in the field and most importantly, less cost per acre.