The D-D 50 Gallon RO Unit is a 3 stage 50 gallon a day reverse osmosis unit with all connections for installation.

All D-D RO Units come complete with the following:

• Flow restrictor with integral membrane flushing valve.
• Self-piercing tap connector.
• 2m of 1/4″ RO tubing in white, blue and orange.
• Saddle valve for the waste pipe return.
• Filter Spanner.
• Full instructions.

The D-D 75 Gallon RO Unit is a 3 stage 75 gallon a day reverse osmosis unit with all connections for installation.

All D-D RO Units come complete with the following:

• Flow restrictor with integral membrane flushing valve.
• Self-piercing tap connector.
• 2m of 1/4″ RO tubing in white, blue and orange.
• Saddle valve for the waste pipe return.
• Filter Spanner.
• Full instructions.

For optimal performance TDS meters should be periodically re-calibrated. The DD Calibration Fluid can be used for both in-line TDS and dip TDS meters.