2-Stage Membrane Air Dryers

Features:

2-stage Pre-filtration; Water Separator, Oil Coalescing Filter
Membrane Dryer Core
Automatic Drains
Wall Mounting Brackets
Outlet Regulator
Heater pads available for cold temp applications
Optional: C1D1 Compatible for hazardous locations

Benefits:

Dryer Performance:

Low relative humidity - down to .01% RH
Dew points down to -80°F
Easy, low-cost maintenance; under $160/year average

Filter Performance:

1st Stage Water Separator:

Removes liquid water
Filters particulate down to 10 micron

2nd Stage Oil Coalescing Filter:

Removes bulk oils and aerosols
Filters particulate down to .01 micron

Min/Max Air Inlet Temperature: 100°F

Min/Max Operating Pressure: 175 PSI

Power Requirement: None

Filter Package for 15 CFM Unit #21999-0424

Filter Package for 20 CFM Unit #21999-0251

Tsunami Product Catalog

Installation Instructions

20 CFM Tsunami 2 Stage Membrane Dryer 21999-0889_WEB

MAX CFM: 15

ITEM #: 21999-0889

NPT: ¼"

DRAIN: Float

MAX PSI: 175

MAX TEMP: 100°F

WEIGHT: 9 lbs

DIMENSIONS: 22" x 12" x 3½"

21999-0357 20 CFM Membrane Dryer NEW web

MAX CFM: 20

ITEM #: 21999-0357

NPT: ½"

DRAIN: Float

MAX PSI: 175

MAX TEMP: 100°F

WEIGHT: 16½ lbs

DIMENSIONS: 23" x 20" x 4½"

MAX CFM	ITEM #	PORT SIZE (NPT)	DRAIN	MAX PSI	MAX °F	WEIGHT (LBS)	DIMENSIONS (HWD)	MSRP
15	21999-0889	¼"	Float	175	100	9	22" x 12" x 3½"	$1,775.00
20	21999-0357	½"	Float	175	100	16½	23" x 20" x 4½"	$2,320.00

2 min read

Control Humidity on the Go with a High Temp Dryer

Tsunami Team: Jan 13, 2026

Introducing the High Temperature Regenerative Dryer: Your Mobile Humidity Solution At Tsunami Compressed Air Solutions,...

3 min read

What is an Effective CFM for Your Air Compressor System?

Tsunami Team: Jan 5, 2026

Inefficient or under-calculated airflow can quickly become your production’s worst nightmare. When your system doesn’t...

4 min read

Cost per CFM of Compressed Air: Is Your System Efficient?

Tsunami Team: Dec 15, 2025

The cost of producing compressed air could be costing your business a lot of money. Even worse, you may not even know...

Tsunami Membrane Dryers

15 CFM / 20 CFM 2-Stage Membrane Air Dryers

2-Stage Pre-Filtration

Sizing & Ordering Information

Product Videos

Related Articles