Delta DWQ1001012 Filtration System
- Filtration System
- 1320 gallons
- Reverse Osmosis
- Under-Sink
A Delta branded under-sink reverse osmosis system with a higher gallon rating than most entry-level filters, worth considering for households wanting fewer membrane changes.
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How it ranks among the 65 filtration systems we track
3.9★ across 58 Amazon ratings, Bayesian-smoothed toward the category average.
58 Amazon ratings, weighted on a log scale so huge counts don't drown everything.
Modest tracked demand last month.
Brand identity, imagery, description and spec coverage.
The ProductDome score is separate from the Amazon rating shown above: it combines the Bayesian-smoothed Amazon rating with evidence volume, tracked demand, and data quality across the 65 filtration systems we track - how the scorecard works · full filtration systems data report. Confidence: medium - useful but incomplete evidence.Last refreshed Aug 4, 2026. Data-computed, not a hands-on test. Compiled by the ProductDome Research Team.
Overview
An under-sink reverse osmosis filtration system from Delta, rated for 1320 gallons through an RO membrane, sized 18 x 6.25 x 16 in.
Coming from a faucet brand, this reverse osmosis system is built to install under the sink and pair with a matching Delta faucet, positioned as a step up from basic carbon filtration for households wanting dissolved solids removed. The 1320 gallon rating suggests it is meant to run for an extended period between membrane changes, though the listing does not give an exact replacement interval.
- Reverse osmosis membrane filtration
- 1320 gallon rated capacity
- Under-sink installation
- 18 x 6.25 x 16 in footprint
Who it's for
Homeowners with under-sink space, especially those already using or planning to add a Delta filtered faucet. Not for anyone wanting a portable or countertop system.
Strengths and trade-offs
Drawn from this product's published specifications.
- 1320 gallon rated capacity
- Reverse osmosis filtration
- Compact 18 x 6.25 x 16 in under-sink footprint
- Rating sits at 3.9, lower than most others in this set
- No stated flow rate
- Requires under-sink installation space
Performance notes
The reverse osmosis membrane is the working part here, filtering dissolved solids out of tap water as it passes through under household water pressure. The 1320 gallon rating marks a longer service window than lower-rated under-sink systems before the membrane needs swapping.
Specifications
| Brand | Delta |
|---|---|
| Model | DWQ1001012 |
| Capacity | 1320 gallons |
| Purification | Reverse Osmosis |
| Install Type | Under-Sink |
| Material | Reverse Osmosis Membrane |
| Dimensions | 18 × 6.2 × 16 inches |
How it compares
This product against the closest alternatives we track in filtration systems.
| Product | Amazon rating | Ratings | ProductDome score |
|---|---|---|---|
| Delta DWQ1001012 Filtration SystemThis product | 3.9 / 5 | 58 | 3.3 / 5 |
| Waterdrop WD-TSU Filtration SystemWaterdrop | 4.5 / 5 | 3,347 | 4.4 / 5 |
| Aqua Crest AQ-5KDC Filtration SystemAqua Crest | 4.4 / 5 | 1,300 | 4.3 / 5 |
| Apec Water WFS-1000 Filtration SystemApec Water | 4.3 / 5 | 1,500 | 4.2 / 5 |
| Bluevua A-JSJ-LPD-100UV-BMT Filtration SystemBluevua | 4.4 / 5 | 1,356 | 4.0 / 5 |
Similar filtration systems from other brands
Questions about the Delta DWQ1001012
Common buyer questions answered straight from the product spec data - no fluff, no "it depends".
How long does the Delta DWQ1001012 last before servicing?
The listing rates the system for 1320 gallons of output, though it does not give an exact time based interval.
Is this an under-sink or countertop system?
It is an under-sink installation.
What type of filtration does it use?
Reverse osmosis through an RO membrane.