Aquasana AQ-5300+ Water Filtration System
- 0.5 gallons per minute stated flow capacity
- Under-sink install, not a faucet or pitcher unit
- Activated carbon purification stage
- 12 x 4.25 x 12.88 in body, **7 lb** in a metal housing
Last refreshed Aug 4, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
A compact carbon system for the cabinet under a kitchen sink, judged mostly on its stated flow rate. The listing gives no filter life or contaminant claims, so check those before buying.
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ASIN: B06XGZMTRHModel: AQ-5300+Category: Water Filtration Systems
Overview
Mounting beneath the sink, this system pushes tap water through an activated carbon stage inside a metal body. It treats one point of use at the cabinet, not the whole house, and needs no electricity.
Activated carbon in a metal housing is the whole story here: one plain under-sink stage and a single rated figure for throughput. The listing leaves out cartridge life, certifications and a contaminant list, so those stay open questions.
Who it's for
A home cook with an accessible sink cabinet and one tap to treat gets the intended use. Households that want every faucet covered, or a jug in the fridge, should look at other formats.
Pros and cons
- Under-sink install frees the counter
- Activated carbon filtration
- Compact body for a cabinet
- Filter life not stated
- No certifications listed
- No contaminant claims given
Performance notes
Carbon media works by adsorption, so contact time matters: a lower flow rate gives water longer inside the filter. The stated flow rate is the number to weigh against how fast you fill pots and glasses. Results also depend on the supply water, since no tested contaminants are given.
Specifications
| Brand | Aquasana |
|---|---|
| Model | AQ-5300+ |
| Dimensions & fit | |
| Dimensions | 12 x 4.25 x 12.88 in |
| Weight | 7 lb |
| Capacity & performance | |
| Capacity | 0.5 gallons per minute |
| Construction & materials | |
| Material | Metal |
| Compatibility & installation | |
| Install Type | Under-sink |
| Other details | |
| Purification | Activated carbon |
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Frequently asked questions
Can the Aquasana AQ-5300+ replace a faucet or pitcher filter?
No. It is listed as an under-sink install, so it mounts inside the cabinet and does not clip to a faucet or pour like a pitcher.
How much cabinet space does the Aquasana AQ-5300+ need?
The listed dimensions are 12 x 4.25 x 12.88 in, so measure the cabinet and the pipe path before ordering. The listing gives no fitting or faucet details.
Does the AQ-5300+ remove lead or fluoride?
The listing names activated carbon as the purification method and gives no contaminant list, so confirm specific claims with the maker before relying on it.