Our Fittings & Accessories

Every 3 years we advise that you change the rubber O-Ring on your vertical Pre and Post Filter housings as they can deteriorate over time.

Industrial inline TDS (total dissolved solids) monitor with 1/4" push fit connections and dual probes for measuring both the feed water coming in t...

After shutting down the equipment (mains supply and storage tank turned off). Remove the TDS probes from the ‘in-line’ tees. Remove the screw cap ...

Economy 10" Jumbo Filter Housing 10" Jumbo mixed -resin filter with 1" Ports. Kit also comes with a Bracket and Spanner. This can be used as an Ext...

Carbon Prefilter for Pentair On Demand and Merlin RO Most Pentair on demand systems will have 2 membranes and one of these filters.  

The Pentair On Demand R.O system takes 2 of these Membranes.  

Sometimes incoming mains TDS is that high even a Standard Rhombus RO system cannot get the Levels close to Zero. If this is the case we advise you ...

150 Gallon Per Day TFC Membrane When used on an R.O. system within its reccomended parameters, this membrane allows for a production rate of up to ...

420ML/Min Flow Restrictor for R.O (PF)

A 10" Jumbo Empty cartridge that you can unscrew and fill different medias with. Will fit in most 10" Jumbo Housings.

100 Gallon Per Day TFC Membrane When used on an R.O. system within its recommended parameters, this membrane allows for a production rate of up to ...

Rhombus 2 Membrane Housing Spanner and Filter Change Push fit Tool

HM Digital - Hand Held TDS Meter TDS (total dissolved solids) meters are essential for monitoring the performance of your R.O. system. According to...

2.5 litre tub of mixed bed resin for use with empty RHOMBUS post-filter cartridge. The Resins used to fill the Rhombus post filter cartridge as bel...

Rhombus Dental RO Maintenance Kit This pack contains everything you need to kick start your Rhombus back into full service or top up your consumabl...