Crystal Quest sells whole-house water filters, reverse osmosis systems, replacement cartridges and water test kits, and says its products are made in the USA.
The deal
- Coupon: no code listed. The sale prices are shown on the store.
- Shipping: free on orders over $150, exclusions apply, according to the store
- Sale item: Quest Micro-Blaster ultraviolet air and surface wand, $129.00 (store lists $219.00)
- Other prices: Digital TDS meter $27.45, 7000 GPD whole-house RO filter pack $417.00
- Last checked: 1 Nov 2026
Quick review
The store also sells ozone laundry systems, UV sterilizers and 3-stage whole-house filters. We have not tested these products and we make no claims about water quality, so check each product’s specifications and have your water tested to pick the right filter.
- Pros: a wide range of whole-house and replacement filters, and free shipping above $150.
- Cons: systems cost hundreds of dollars, and the right filter depends on what is in your water.
Before you buy
- Open the store with the button.
- Use the store’s water problems guide or test kit to choose a filter.
- Check the sale price and shipping in your cart.
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