1. See Detail

Purolite NR W37 50L De-Ironising Nuclear Resin 350gr re-fill pack (5-12)

In stock
or 4 interest-free payments of $6.25
Learn more

Replacement pack (350G) to suit GT6-22 DI aquarium filter For total extraction of minerals. This is a Purolite (USA) Nuclear Grade DI Resin, the most effective de-ionizing resin in the world.

Don't bother with distilled water, this filter when used as a Post RO final filter will leave the mineral TDS at "0".

As sold to dentist surgeries, aquarium owners or anyone requiring De-ionised water.


Due to the nature of the products we sell, a strict return policy is in place. We work with food grade certified materials that must be un-opened and un-used as to be able to be re-sold.

You will receive a credit of equal amount, less the postage cost to send it to you. 

  • Wrongly purchased items may be returned for a merchandise credit, this applies for but not limited to: Wrong size, wrong system etc.
  • 30 Day return Policy: We will accept returns up to 30 days after the initial purchase, all orders should be checked immediately for damage/fault upon arrival to aid us with the return process.
  • Return shipping is to be paid by the buyer to the address provided
  • Should the item appear faulty or doesn’t work how described, the unit/item must be returned for testing (if requested), the return postage paid by the buyer. If the unit/item is deemed to be faulty, compensation will be provided for the postage cost. If the unit/item is deemed to be in working order and as described, the buyer will need to pay for return postage. 

If you have any questions about our return policy, please contact us before purchase. This will also help to ensure you purchase the correct product that suits your requirements.

More Information
Product Type DI Resin