Product Notes:

FEATURES AND BENEFITS
 Improved - now includes a hex cast into the body.
 Stainles steel metering plate.
 Robust Iron Housing.
 Works with steel grit.
 Nylon wiper seals on both sides of metering plate
    (prevents abrasive from entering housing and causing jams)
 Large clean out inspection port & drain port provided for 
    improved servicing and easier maintenance.
 Purge Port allows a compressed air supply to be connected to
   assist in flushing out and blockages through the drain port.
 Improved handle design - heavy duty.
 Improved sealing of the metering plate stem using a combination
   of lip seals and O-rings.