Pollard Swivel Piezo Diffuser - Pumper Nozzle 4" or 4.5"

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4" and 4.5" Aluminum Swivel Piezo Diffuser

New Aluminum Body Diffuser and Optional Carrying Case for 4 or 4-1/2 Inch Pumper Nozzles


Swivels to Aim Flow Diffuses Flow to Reduce Damage to Landscaping Performs Flow Tests Now in Lightweight Aluminum only 14 lbs New Optional Carrying Case Go to 2-1/2" Hose Nozzle Diffuser AWWA M17 Manual for Flow Testing Flow Chart		Now available with STORZ connections
		Optional Case shown above with spare Swivel, Gauge, Pitot, Snubber, and Ball Valve Gauge Warranty and Care Guidelines

The 4 or 4-1/2 inch Diffuser comes with a 100 PSI Liquid Filled gauge, and a Laminated Chart for Converting Pressure (PSI) to Flow (GPM).

This Diffuser performs three functions simultaneously - it Swivels to Aim Flow, Diffuses Flow to Reduce Damage to Landscaping, and Performs Flow Tests all at once. Ruggedly constructed of Aluminum and Brass to provide years of dependable service. The Internal Pitot Tube and Ball-Bearing Swivel are replaceable. Please specify either the 4 inch or 4-1/2 inch NST Swivel when ordering the Diffuser or replacement Swivel. Due to the sensitive nature of pressure gauges they are only warranted against defects in materials and workmanship, until they are put into service.