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Smooth Flow offers you the very best of H Class vacuums. Price includes full hose/wand kit for your HAZMAT needs. The Numatic HEPA range provides powerful flow, durable equipment and affordable product. Each unit comes with a 2 year parts warranty, the best in the business

Air Flow Rate 275m3/h (new HEPA and gaskets). Has transit cover. All markings present. Flow rate variable. Heater working (if required). Caveats This unit has no hour counter or non return flaps. Potential Variations Can come with or without the heater element.

Specifications: Pressure gauge with battery, warning settings, printer, wifi and more. As new condition. Caveats: None Potential Variations All units are the same.

Specifications: Standard steel frame tubing 2m x 1m x 1m Caveats: Surface treatment has been applied in places. B grade frames available for $100 per cell (SOLD OUT) Potential Variations All A Grade refurbished units are same.

Specifications: Comes with all clip points. Caveats: None Potential Variations All A Grade refurbished units are same.

Specifications: Can come with mounting bolts (please specify) Caveats: None Potential Variations All A Grade refurbished units are same.

Specifications: Medium with locking cover. Comes with all clip points. Caveats: None Potential Variations All A Grade refurbished units are same.

Specifications: Medium basic without locking cover. Will come with cover sheet. Caveats: None Potential Variations Several different styles, all same function.

Specifications: High flow dual motor assembly with over 200m3hr and strong suction. 40L waste drum. Comes with a full hose and attachment set. 27m Suction distance (with long hose). Ex Demo Model - Comes with all attachments Caveats: None Potential Variations Smooth Flow can supply extra large

Specifications: High Flow Dual Motor assembly with over 200m3/hr and strong suction. 23L waste drum. 27m Suction distance (with long hose). Hoses sold separately. Caveats: None Potential Variations Smooth Flow can supply large vacuum bags to suit this unit. Units can come with or without wheels

Specifications: Powerful motor with over 125m3/hr flow rate with new HEPA installed. 9L waste drum. Hoses sold separately. Caveats: Some units have dents on metal, operationally sound. Potential Variations Smooth Flow can supply vacuum bags to suit this unit. Units can come with or

Specifications: Over 200m3/hr flow rate with new HEPA installed. 23L waste drum. High suction distance with long hose. Hoses sold separately. Caveats: Some units have dents on metal, operationally sound. Potential Variations Units can come with or without wheels (depending on stock or buyers nee

Air Flow Rate 550m3/h (new HEPA and gaskets). Has transit cover. All markings present. Flow rate variable. Non return flaps operate. Caveats None Potential Variations All A Grade refurbished units are same.

Air Flow Rate 2350m3/h (new HEPA and gaskets). Has transit cover. All markings present. Flow rate variable. Non return flaps operate. Caveats Wheels may have wear. Hour counter may not tick. Potential Variations All A Grade refurbished units are same.

Specifications: Locking doors available. Opaque roof and hard floor. Comes with floor mats and shower attachments. Caveats: Does not come with an NPU or storage containers. Potential Variations Can come without floor mats and shower attachments (-$1000 for 3 stage price).

Air Flow Rate 2350m3/h (new HEPA and gaskets). Has transit cover. All markings present. Flow rate variable. Non return flaps operate. Caveats Wheels may have wear. Hour counter may not tick. Potential Variations All A Grade refurbished units are same.

Air Flow Rate 5350m3/h (new HEPA and gaskets). Has transit cover. All markings present. Non return flaps operate. Caveats Wheels may have wear. Hour counter may not tick. Current Stock units do not have variable airflow control. Potential Variations All A Grade refurbished units are same.

Get real-time, accurate, and reliable water quality monitoring with this low power use, optical TSS Sensor. Designed for enhanced precision and durability, this optical four-beam self-compensating sensor virtually eliminates drift caused by contamination or electronic aging ensuring long-term stabil...

The HydroMetrics GW50 Mosfet Switch is used for switching the Water-Jet pump cleaning unit on the GW50 sensor using the control line.

Quickly filter particulate contamination from water samples using this 47mm diameter water filter that uses low cost replaceable filter membranes. Comes complete with 1 x 50pk of 0.45m Hydrophilic PVDF Disc Membrane Filters.

Cable for the HydroMetrics Water-Jet sensor cleaning pump. Comes fitted to the pump purchased separately.

This high quality shielded cable is designed to fit the HydroMetrics GW50 range of sensors.

Adapted by HydroMetrics for charging the HydroMetrics GW50 portable sensor 12v LiFePO4 battery pack, this customised Victron Blue Smart 1.1A 12v Battery Charger has a seven-step smart charge algorithm maximises battery health and is able to recover fully discharged (dead) batteries. Built-in Bluetoo...

Designed manufactured specifically for use with the HydroMetrics GW50 portable unit, this lightweight, robust 12v LiFePO4 rechargeable battery pack includes a visual charge status readout and integrated cell balancing / protection circuits. Charged using our charging unit (sold separately). Lithium...