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RO Systems International COM450S

Reverse osmosis system

RO Systems International COM450S Replacement Filters

The COM450S Reverse Osmosis Compact I Light Commercial System is designed to treat 450-700 gallons per day. The 4-stage system is made for light commercial applications and features filter pressure gauges to monitor water pressure throughout the system, a storage tank pressure gauge to prevent tank overflow and a motorized pump to maximize system output.

See the replacement schedule

Compatible parts

Everything that fits the RO Systems International COM450S

Ready Water RW-SED2510050 5-micron sediment filter, direct replacement for 93023 and PX05-9 7/8
Top Seller
Ready Water
Ready Water RW-SED2510050 Sediment Filter 5 Micron 2.5" x 10"
(89)
$8.99
Meets FDA requirements for food and beverage contact
Omnipure OMB934-5m 5-micron carbon block filter for standard 10-inch water filter housings
Omnipure
Omnipure OMB934-5m Carbon Block Filter 5 Micron 2.5" x 10"
(83)
$14.99
Reduces chlorine, taste and odor
NSF Certified performance
USA made compression molded
2.5" Drop-in carbon block element
AXEON HF1 - 4014 RO Membrane 150 PSI 600 GPD 200377 200377 - ESP Water
Free Shipping
AXEON
AXEON HF1-4014 RO Membrane 150 PSI 600 GPD 200377
(2)
$229.00
Thin Film Membrane (TFM)
AXEON HF4-4014 600 GPD reverse osmosis membrane, 4 x 14 inch, rated at 100 PSI
Free Shipping
AXEON
AXEON HF4-4014 RO Membrane 100 PSI 600 GPD 4" x 14" 200389
(1)
$230.00
Thin Film Membrane (TFM)
AXEON NF4 - 4014 RO Membrane 400 GPD, 70 PSI, 4 x 14 Inches, 200410 200410 - ESP Water
Free Shipping
AXEON
AXEON NF4-4014 RO Membrane 400 GPD, 70 PSI, 4 x 14 Inches, 200410
(0)
$234.00
Thin Film Membrane (TFM)
AXEON NF3 - 4014 RO Membrane 400 GPD, 70 PSI, 4 x 14 - Inches, 200404 200404 - ESP Water
Free Shipping
AXEON
AXEON NF3-4014 RO Membrane 400 GPD, 70 PSI, 4 x 14-Inches, 200404
(0)
$234.00
Thin Film Membrane (TFM)
AXEON HF3 - 4014 RO Membrane 400 GPD 4 x 14 - Inch, 200371 200371 - ESP Water
Free Shipping
AXEON
AXEON HF3-4014 RO Membrane 400 GPD 4 x 14-Inch, 200371
(0)
$244.00
Thin Film Membrane (TFM)
AXEON HF5 - 4014 RO Membrane 80 PSI 600 GPD 4" x 14" 200392 200392 - ESP Water
Free Shipping
AXEON
AXEON HF5-4014 RO Membrane 80 PSI 600 GPD 4" x 14" 200392
(0)
$240.00
Thin Film Membrane (TFM)
Flexwave Composite FWRO120 RO Pressure Tank 120 Gal 1 - 1/4" NPT FWRO120 - ESP Water
Flexcon
Flexwave Composite FWRO120 RO Pressure Tank 120 Gal 1-1/4" NPT
(0)
$4738.00
Certified by NSF to Standard 61
System made in the USA

Replacement filter info

Your replacement schedule

Each stage of the RO Systems International COM450S, the exact part that fits it, and when to change it.

  1. Stage 1: Sediment filter

    Part RW-SED2510050, Ready Water RW-SED2510050 Sediment Filter 5 Micron 2.5" x 10" $8.99

    Every 6–12 months

  2. Stage 2: Carbon block filter

    Part OMB934-5m, Omnipure OMB934-5m Carbon Block Filter 5 Micron 2.5" x 10" $14.99

    Every 6–12 months

  3. Stage 3: RO membrane

    Part 200377, AXEON HF1-4014 RO Membrane 150 PSI 600 GPD 200377 $229.00

    Every 2 years

  4. Alternative for stage 3: RO membrane

    Part 200389, AXEON HF4-4014 RO Membrane 100 PSI 600 GPD 4" x 14" 200389 $230.00

    Every 2 years

  5. Alternative for stage 3: RO membrane

    Part 200410, AXEON NF4-4014 RO Membrane 400 GPD, 70 PSI, 4 x 14 Inches, 200410 $234.00

    Every 2 years

  6. Alternative for stage 3: RO membrane

    Part 200404, AXEON NF3-4014 RO Membrane 400 GPD, 70 PSI, 4 x 14-Inches, 200404 $234.00

    Every 2 years

  7. Alternative for stage 3: RO membrane

    Part 200371, AXEON HF3-4014 RO Membrane 400 GPD 4 x 14-Inch, 200371 $244.00

    Every 2 years

  8. Alternative for stage 3: RO membrane

    Part 200392, AXEON HF5-4014 RO Membrane 80 PSI 600 GPD 4" x 14" 200392 $240.00

    Every 2 years

  9. Stage 4: Carbon block filter

    Part OMB934-5m, Omnipure OMB934-5m Carbon Block Filter 5 Micron 2.5" x 10" $14.99

    Every 6–12 months

Manuals & instructions

Manuals and guides

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