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1/4 NPT Polycarbonate Mini Piggyback FR Duo is a compact filter-reducer assembly from Milton Industries that conditions compressed air in one unit, which helps installers manage air quality and pressure in tight locations. The mini filter-reducer piggyback duo is recommended when space is a problem, so it fits well in confined air line layouts around benches or machines. This piggyback mini FR duo is ideal for use in compact air flow applications, giving you an option when full size units do not fit the available space. The unit offers most of the same features as the full size units, so you still get functional filtration and pressure reduction while working within smaller cabinets or wall-mounted manifolds. A polycarbonate bowl is part of the construction, which provides a clear, lightweight reservoir for the filtered condensate so users can visually track bowl condition during routine shop work.
The mini filter-reducer piggyback duo is recommended when space is a problem, so it fits into compact air flow applications where a full-size filter and regulator would crowd adjacent equipment. The 1/4 inch national pipe thread connection provides a straightforward threaded interface to existing lines, which simplifies orienting the body for gauge visibility and bowl access. The pre-assembled Milton #1189 0-160 PSI gage puts pressure feedback directly on the unit, helping users adjust outlet pressure to match tool needs while staying within the gauge range. With maximum working pressure up to 150 PSI and maximum SCFM of 21, the assembly supports smaller air circuits that fall within these limits, so planners can match this component to stations that do not exceed those conditions.
The 1/4 inch NPT connection defines this unit as a compact choice for lines built around that thread size, so it integrates well near benches or machines plumbed with 1/4 inch drops. Because the mini filter-reducer piggyback duo is recommended when space is a problem, it suits tight mounting panels where depth and height are limited compared to full size assemblies. The piggyback mini FR duo is ideal for use in compact air flow applications, meaning runs that serve single tools, small benches, or isolated fixtures where flow demands are modest. Its maximum 20 standard cubic feet per minute rating aligns with these more focused circuits, which helps keep pressure loss and flow behavior within expectations for smaller air tools or actuators. The operating temperature range of 40 degrees Fahrenheit to 120 degrees Fahrenheit ties use to typical indoor shop environments, supporting woodworking or light industrial spaces that fall within that band.
The polycarbonate bowl gives a clear reservoir around the filter zone, so users can see accumulated moisture or contaminants while the line is in service. That visibility helps time bowl maintenance in a way that supports consistent airflow and filtration performance over routine cycles. The pre-assembled 0-160 PSI Milton #1189 gage sits directly on the regulator body, giving a direct reading of working pressure where adjustments are made. This arrangement supports repeatable setups because operators can return to known readings when switching between different tools that share the same line. With maximum working pressure up to 150 PSI, the unit is specified to operate within many standard shop system pressures, which supports consistent behavior in main or branch circuits designed for that level. The maximum 21 SCFM capacity and compact configuration together position this mini piggyback FR duo as a practical element in air circuits where moderate flow and stable, visible regulation help reduce rework related to pressure fluctuations or inconsistent filtration.
The 1/4 inch national pipe thread connection lets this unit thread into air circuits built around that size, which supports straightforward tie-in to common small-diameter lines.
The pre-assembled Milton 0-160 PSI gage #1189 shows outlet pressure directly on the body, so users can set and return to specific pressures during regular tool changes.
The piggyback mini FR duo has a maximum SCFM of 21, which aligns with compact air flow applications such as single stations or lighter tool loads using moderate air volume.
The mini filter-reducer piggyback duo is recommended when space is a problem, so it is useful on tight panels, small benches, or close to machines with limited clearance.
The polycarbonate bowl provides a clear, lightweight container at the filter, allowing visual monitoring of collected moisture or debris during normal compressed air use.
The operating temperature range of 40 to 120 degrees Fahrenheit matches typical indoor shop conditions, so it suits many woodworking or light industrial air line locations.
The 1/4 inch NPT Polycarbonate Mini Piggyback FR Duo from Milton Industries brings filtration and pressure reduction into one compact unit, which suits installers working with limited panel space. With maximum working pressure up to 150 PSI and maximum SCFM of 21, it fits smaller air circuits that operate within those limits. The polycarbonate bowl and pre-assembled 0-160 PSI Milton #1189 gage give clear feedback on both filtration and pressure, supporting consistent day-to-day operation in compact air flow applications. For air lines laid out around 1/4 inch national pipe thread where space is a problem, this mini filter-reducer piggyback duo offers a focused way to condition air close to the point of use.
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