Home Master TMA vs PUR PLUS FM-3700B — Which Should You Buy?

Side-by-side comparison of Home Master TMA and PUR PLUS FM-3700B. We compare specs, performance, and value to help you decide.

Updated 2026-03-09 Independently reviewed
Home Master TMA

Home Master TMA

8.7/10
$349 /one-time
VS
PUR PLUS FM-3700B

PUR PLUS FM-3700B

8.2/10
$45 /one-time

Feature Comparison

Feature Home Master TMA PUR PLUS FM-3700B
Type RO with pump 2-stage carbon
Waste Ratio 1:1 or better —
Capacity 75 GPD 100 gallons
Removes 99% including fluoride Lead, chlorine
Pump Permeate pump —
Stages 3 —
Tank 3.2 gallon —
Warranty 1 year 90 days
Certification — NSF
Filter Life — 3 months
Installation — Under sink
Faucet — Included

Home Master TMA

Pros

  • ✓Permeate pump
  • ✓1:1 waste ratio
  • ✓99% removal
  • ✓Removes fluoride
  • ✓3-stage simplicity
  • ✓Artesian full contact
  • ✓Less water waste

Cons

  • ✗Requires power
  • ✗Higher price
  • ✗More complex

PUR PLUS FM-3700B

Pros

  • ✓Budget-friendly
  • ✓NSF certified
  • ✓Reduces lead, chlorine
  • ✓2-stage
  • ✓Simple install
  • ✓Dedicated faucet
  • ✓Trusted brand

Cons

  • ✗Basic filtration
  • ✗Doesn't remove fluoride
  • ✗Filter life 3 months

Our Verdict

Home Master TMA

The best under-sink RO for eco-conscious buyers—minimal water waste with permeate pump.

Limited Offer — Check Today's Price

PUR PLUS FM-3700B

The best budget under-sink filter—basic NSF-certified filtration at the lowest price.

Limited Offer — Check Today's Price

Our Methodology

We test each under-sink filter for contaminant reduction, installation ease, and long-term cost. No manufacturer has editorial influence.

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