Valley Outdoor Supply

DRY-CON X Vent Kit for Superior Moisture Management and Condensation Control

$334.00 USD

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Ventilation Kits - 4 Options to choose from Kit 1 (1 Exhaust + 1 Intake) Kit 2 (2 Exhaust + 2 Intake) Kit 3 (1 Exhaust + 1 Intake) Kit 4 (2 Exhaust + 2 Intake)

Product description — version: 2026-06-22_v9.2.4 CLEAN DROPDOWN KIT FINDER

DRY-CON X® Shipping Container Ventilation System | Condensation and Moisture Control

25-year manufacturer-backed product warranty ·

I understand the initial sticker shock. At first glance, it can seem like a lot for a ventilation system. But DRY-CON X® is not just about adding vents—it is a long-term investment in protecting everything you bought the container to safeguard.

Condensation can quietly damage tools, equipment, vehicles, materials, packaging, and electrical components through rust, corrosion, mold, and moisture. DRY-CON X® works passively year-round with no electricity, solar panels, batteries, fans, or ongoing maintenance costs.

It is USA-made by a veteran-owned company and backed by a 25-year manufacturer warranty. Over time, the value is not simply in the system itself—it is in helping preserve the valuables stored inside your container and avoiding preventable damage.

jump to Kit Finder

What it is: a passive shipping container ventilation system that pairs a container exhaust vent with a matched intake vent to create continuous airflow for container moisture prevention and container mold prevention.

How it works: as air passes over the exhaust vent, a natural vacuum is created that pulls fresh ambient air in through the intake. This produces multiple daily air exchanges with no power and no moving parts, designed to help reduce condensation, mold, corrosion, and inside rain.

Buy DRY-CON X with Confidence from Valley Outdoor Supply

If moisture, condensation, or container rain is already causing problems, DRY-CON X is a one-time passive upgrade designed to help protect your container and stored contents long term.

Flat-rate $28 shipping on DRY-CON kit orders
Help choosing the correct kit before you order
25-year manufacturer-backed product warranty
No electricity, no moving parts, no ongoing power cost

Scroll or tap a section below

Quick Jump (tap one)

Kit Finder

Answer two questions to find Kit 1 through Kit 4

Kit selection

Kit 1 through Kit 4 and what is included

Main install video

Watch the primary selection and installation walkthrough

Vent placement guide

Moisture control and fume extraction

Resources

Extra videos, PDFs, warranty, and support

Condensation explained

Why it happens and what DRY-CON X does

Quick summary

Passive shipping container ventilation — no electricity, no fan, and no moving parts

Helps reduce container rain and moisture buildup — designed to fight condensation, rust and corrosion, and mold

One-time passive upgrade — helps protect stored contents from repeated moisture problems

New installations should use the complete kit section — choose the correct kit based on container size and vent scenario

Individual items are also available separately for certain retrofit or replacement needs

Find the right kit now. Use this section to choose the correct DRY-CON X kit for your container location.

DRY-CON X® Kit Finder

Required for DRY-CON kit orders. Choose your container size and vent scenario to identify the correct kit before ordering.

Important ordering note
New installations should use the complete kit selection process. Choose your container size, then choose the scenario that matches your door direction and prevailing wind.

Important note
If you have any obstructions within 3 feet of side or back walls, contact us for customized placement guidance before you cut.

Need help choosing before you order? Watch the quick selection video or contact us before you buy so you can order the correct kit with confidence.

Step 1 — Container size

20 ft uses Kit 1 or Kit 3. Larger containers use Kit 2 or Kit 4.

Step 2 — Vent scenario

After you select a scenario, tap Find My Kit below.

Find My Kit Email for help

Select both fields, then tap Find My Kit

Choose your container size and vent scenario above. The recommended kit will appear here automatically after both selections are made.

Recommended kit: Kit 1

Use Kit 1 for a 20 ft container with this Back Wall Intake scenario.

View Kit 1

Recommended kit: Kit 2

Use Kit 2 for a 40 ft, 53 ft, or high cube container with this Back Wall Intake scenario.

View Kit 2

Recommended kit: Kit 3

Use Kit 3 for a 20 ft container with this Side Wall Intake scenario.

View Kit 3

Recommended kit: Kit 4

Use Kit 4 for a 40 ft, 53 ft, or high cube container with this Side Wall Intake scenario.

View Kit 4

Need help choosing a kit?

Please contact us so we can help you choose the correct DRY-CON X kit for your container and site conditions.

Email for help

DRY-CON X® kit selection guide (20 ft, 40 ft, 53 ft, and high cube shipping containers)

New installations should use the complete kit section. Choose your container size, then select the vent scenario that matches your door direction and prevailing wind.

For easiest ordering: Kit 1 = 20 ft Back Wall, Kit 2 = 40/53 ft Back Wall, Kit 3 = 20 ft Side Wall, Kit 4 = 40/53 ft Side Wall.

Kit 1 and Kit 2 follow the Back Wall Intake path.

Kit 3 and Kit 4 follow the Side Wall Intake path and include the adapter component listed in the kit contents.

Need help? If your site has obstructions within 3 feet of the side or back walls, contact us before cutting.

Tap here to view Kit 1 through Kit 4 descriptions

Kit 1 — 20 ft (Back Wall Intake)

Includes

1 exhaust vent
1 back wall intake vent

Scenario match: use for 20 ft containers in scenarios A, C, E, and G.

What it means: this is the 20 ft Back Wall Intake kit selected when the vent placement form points you to Kit 1.

Buy Kit 1

Kit 2 — 40 ft / 53 ft / high cube (Back Wall Intake)

Includes

2 exhaust vents
2 back wall intake vents

Scenario match: use for 40 ft, 53 ft, or high cube containers in scenarios A, C, E, and G.

What it means: this is the 40 ft / 53 ft / high cube Back Wall Intake kit selected when the vent placement form points you to Kit 2.

Buy Kit 2

Kit 3 — 20 ft (Side Wall Intake)

Includes

1 exhaust vent
1 side-wall intake vent
1 adapter plate

Scenario match: use for 20 ft containers in scenarios B, D, F, and H.

What it means: this is the 20 ft Side Wall Intake kit selected when the vent placement form points you to Kit 3.

Buy Kit 3

Kit 4 — 40 ft / 53 ft / high cube (Side Wall Intake)

Includes

2 exhaust vents
2 side-wall intake vents
2 adapter plates

Scenario match: use for 40 ft, 53 ft, or high cube containers in scenarios B, D, F, and H.

What it means: this is the 40 ft / 53 ft / high cube Side Wall Intake kit selected when the vent placement form points you to Kit 4.

Buy Kit 4

Ready to order the right kit?

DRY-CON X kits are available for standard new installations, with support to help you choose the correct setup before purchase.

Flat-rate $28 shipping, 25-year manufacturer-backed product warranty, and no ongoing power cost.

Need help before you order? Call 360-916-8312

Watch Before You Buy or Cut

This DRY-CON X walkthrough covers kit selection and installation so you can order with confidence and avoid mistakes before cutting into your container.

Shipping container vent placement guide (moisture control and fume extraction)

Goal 1: Moisture control and condensation reduction

DRY-CON X moisture control vent placement diagram showing high exhaust vent and low intake vent

Higher exhaust helps remove warm, moist air. Keep a clear path from intake to exhaust for best airflow.

Goal 2: Fume extraction and vapor removal

Shipping container fume extraction vent placement diagram showing low exhaust vent and higher intake vent

Lower exhaust may be used for heavier vapors. Follow material-specific guidance and verify placement before cutting.

Blue arrow = Intake air

Orange arrow = Moisture airflow

Purple arrow = Fume and vapor airflow

Caution
Follow the DRY-CON X placement guide before cutting. Verify cutout sizes, adapter orientation, and sealing method using the installation documents provided on this page.

See the downloadable installation resources below before you cut or install.

Why shipping containers get condensation (and how DRY-CON X® reduces it)

Steel shipping containers can trap warm, humid air. When outside temperatures drop, interior steel surfaces can cool below the dew point and moisture can form on ceilings and walls. Over time, this can contribute to corrosion, mold growth, and damage to stored materials.

DRY-CON X is designed to promote continuous passive airflow. Venturi-based aerodynamics at the exhaust vent encourage stale, moisture-laden air to exit while fresh ambient air is drawn in through the intake. By increasing natural air exchange without mechanical assistance, DRY-CON X helps reduce moisture buildup and the conditions that lead to condensation.

Key design features

No power required — passive airflow with no moving parts
Wall-mounted ventilation — avoids roof penetrations and reduces leak risk compared to roof-mounted turbine vents
Durable construction — designed for long service life with minimal maintenance

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DRY-CON X Vent Kit for Superior Moisture Management and Condensation Control