Home/Bry-Air MiniPAC MP-350 Desiccant Dehumidifier – Stainless Steel

1/11

Bry-Air MiniPAC MP-350 Desiccant Dehumidifier

Bry-Air MiniPAC MP-1200 Desiccant Dehumidifier – view 2

Bry-Air MiniPAC MP-350 Desiccant Dehumidifier - US Cleaning Tools

Bry-Air MiniPAC MP-2700 Desiccant Dehumidifier - US Cleaning Tools

Bry-Air MiniPAC MP-350 Desiccant Dehumidifier – Stainless Steel

Name: Bry-Air MiniPAC MP-350 Desiccant Dehumidifier – Stainless Steel
Brand: Bry-Air
SKU: MP-350-SS
Price: 19150.0 USD
Availability: InStock

Brand: Bry-AirSKU: MP-350-SS

$19,150.00

Free shipping on this item

Ships from US manufacturer with factory warranty

Weather Kit MP-350

Humidistat Options

Choose an optionQuantity

Request a quote / purchase order

Tell us your quantity, delivery ZIP code and required date. For help choosing equipment, include your application.

Email a quote request Call (978) 295-7538

Built to order — ships in 5 weeks after purchase

Authorized Bry-Air dealer

Tax-exempt & PO accepted

30-day returns

Need help choosing? Talk to an expert

+1 (978) 295-7538

MP-350 Desiccant Dehumidifier — 3-Phase Low-Humidity Control for Industrial Environments

Made to order — estimated 5-week lead time.

The Bry-Air MiniPAC MP-350 is a 350 CFM desiccant dehumidifier designed for facilities where refrigerant systems cannot maintain target humidity levels. Delivering 11.7 lbs/hr moisture removal independent of ambient temperature, it supports pharmaceutical production, cold storage, and electronics manufacturing environments requiring stable low RH. This stainless steel configuration is specified for corrosion resistance and long-term operation in controlled or washdown areas.

Bry-Air MP-350 Continuous Low-Temperature Drying Capacity

The MP-350 provides stable moisture removal without the performance drop-offs or defrost interruptions associated with refrigerant systems.

Consistent moisture removal — maintains 11.7 lbs/hr extraction across low and high temperature conditions where LGR units lose capacity
350 CFM process airflow — supports larger labs, production rooms, and cold storage staging areas without stepping into full industrial units
Three-phase power configuration — enables higher throughput using 208–240V or 460–480V electrical infrastructure
Stainless steel construction — resists corrosion in high-humidity intake and washdown environments
No defrost cycle — eliminates downtime caused by coil icing in sub-50°F operating conditions
Airflow safety monitoring — prevents operation under restricted airflow caused by filter loading or blower issues

MP-350 Applications and Environments

The MP-350 is used in pharmaceutical manufacturing for tablet coating, API processing, and packaging areas where humidity affects product stability and handling. Cold storage warehouses and distribution centers install it in staging areas and loading docks where refrigerant systems cannot operate due to low ambient temperatures. Electronics manufacturing facilities and defense maintenance depots rely on desiccant drying to prevent corrosion and moisture-related failures in circuit boards and assemblies. Laboratories and testing facilities use it to maintain controlled low-humidity environments for sensitive instrumentation. It is also deployed in archival storage, museums, and document preservation facilities where consistent humidity control is required year-round.

MP-350 Desiccant Wheel Operation and Exhaust Requirements

The MP-350 uses a rotating desiccant wheel to adsorb moisture from the process airstream, eliminating the need for a compressor or evaporator coil. Moisture is continuously removed through a heated reactivation airstream that must be ducted to the exterior of the building. This design allows operation from sub-freezing temperatures up to 140°F with no defrost cycles or capacity loss. The stainless steel housing supports installations requiring corrosion resistance or periodic cleaning protocols.

Specifications

Model	MP-350 / MiniPAC
Brand	Bry-Air
Type	Desiccant (rotary wheel, no compressor)
Process Airflow	350 CFM
Process External Static	0.90 in. wc
Reactivation Airflow	117 CFM
Reactivation External Static	-0.70 in. wc
Moisture Removal	11.7 lbs/hr
Voltage	208–240V / 3-phase / 60Hz or 460–480V / 3-phase / 60Hz
Weight	222 lbs
Construction	Stainless Steel Housing
Rotor	Water-washable with stainless steel flange
Operating Modes	Auto / Manual
Mounting Options	Floor, wall, or duct-inline
Safety Systems	Differential pressure switch, safety thermostat, reactivation cooldown, electrical interlocks
Lead Time	Made to order, approximately 5 weeks

Type	Desiccant
Capacity	269 PPD
Airflow	350 CFM
Voltage	460V

Product Warranty Information

"Parts-Only Limited Warranty"

B2B & Tax-Exempt Purchases

We supply contractors, restoration companies, property managers, schools, government agencies, and other tax-exempt organizations.

How to place a tax-exempt order:

Write to us through our Contact Us page or email info@uscleaningtools.com and attach your valid tax exemption certificate (state resale or exemption certificate).
We verify your certificate and mark your account tax-exempt — usually within one business day.
Place your order and sales tax will not be charged.

For volume pricing or purchase orders, call +1 (978) 295-7538.

Shipping & Returns

Free shipping on most brands for orders over $300, delivered to the lower 48 states. Any brand-specific freight rate is shown at checkout before you pay.

Processing & delivery: in-stock orders are processed within 1–2 business days and typically deliver in 5–7 business days. Tracking is emailed within 24 hours of shipment. Built-to-order and backordered equipment shows its lead time on this page.

Freight deliveries: inspect your equipment on arrival and note any damage on the delivery receipt. Items damaged in transit or defective on arrival are fully covered at no cost to you.

Cancellations: cancel any time before your order ships. Refunds are issued for the order total minus the non-refundable payment processing fee (2.9% + $0.30), so a cancellation is not always a 100% refund. No fee is deducted if we cancel the order or the item arrives damaged or defective.

30-day returns: return unused equipment in its original packaging within 30 days of delivery. Change-of-mind returns are subject to a restocking fee. To start a return, email info@uscleaningtools.com or call +1 (978) 295-7538.

Bry-Air MiniPAC MP-350 Desiccant Dehumidifier – Stainless...

View Cart

$19,150.00

Frequently Asked Questions

Why does the MP-350 require three-phase power when the MP-100 and MP-175 run on single-phase?

At 350 CFM process airflow, the MP-350's blower and reactivation heater draw more electrical load than single-phase circuits can efficiently deliver at commercial amperage. Three-phase power — available at 208–240V/3-phase or 460–480V/3-phase, 60Hz — balances the load across three legs and operates the unit at lower per-leg current draw, reducing heat buildup in the wiring and improving motor efficiency. Facilities without three-phase service will need to evaluate transformer or phase converter options before specifying the MP-350.

How does the MP-350's 11.7 lbs/hr moisture removal rate compare to LGR dehumidifiers at the same CFM?

LGR dehumidifiers at 350 CFM may remove similar amounts of moisture at warm temperatures (70–80°F, 60% RH), but their removal rate drops sharply as temperature falls. At 50°F the typical LGR removes roughly 40–50% of its rated capacity; below 40°F most cannot operate effectively. The MP-350 maintains its 11.7 lbs/hr rate across the full operating temperature range from sub-freezing through 140°F, making it the correct choice for cold environments and applications requiring a humidity floor below 40% RH.

What is the minimum relative humidity the MP-350 can achieve?

The MP-350 can reduce relative humidity well below the floor achievable with refrigerant equipment — below 10% RH is achievable under favorable inlet conditions. The actual minimum depends on inlet air temperature and humidity, process airflow, and reactivation heat input. For specific performance curves at your target temperature and humidity conditions, request engineering data from Bry-Air before finalizing sizing.

Does the reactivation exhaust from the MP-350 need to be ducted to the building exterior?

Yes. The MP-350's reactivation airstream carries the moisture extracted from the process air and exits as 117 CFM of warm, humid exhaust. This exhaust must be routed to the building exterior through a duct penetration. Dumping the reactivation exhaust back into the conditioned space returns the extracted moisture and negates the dehumidification effect. Account for the 117 CFM exhaust volume in the building's ventilation balance calculation.

Can the MP-350 be installed inline with an existing HVAC duct system?

Yes. The MP-350 supports duct-inline installation in addition to floor-standing and wall-mounted configurations. In inline service, the unit treats supply or return air from the AHU as its process air stream. Verify that the existing duct system can accommodate the MP-350's 0.90" wc process external static pressure — insufficient duct static capacity will reduce effective airflow through the desiccant rotor and degrade moisture removal performance.

What does the differential pressure switch do if the process filter becomes clogged?

If the process filter becomes clogged and airflow drops below the MP-350's minimum operating threshold, the differential pressure switch detects the reduced pressure differential and triggers a fault alarm or controlled shutdown. This prevents the reactivation heater from running without adequate airflow — a condition that can cause overtemperature and heater damage. In unattended installations, the alarm notifies facility personnel of a filter maintenance condition before equipment damage occurs.

How is the MP-350's desiccant rotor maintained in the field?

The MP-350's desiccant rotor is water-washable and can be removed and rinsed on-site with clean water to clear accumulated dust and particulate without chemical cleaning agents. The stainless steel flange resists corrosion during the wash process. Bry-Air recommends following the specific rotor wash procedure in the installation and maintenance manual to avoid disturbing the desiccant matrix coating during cleaning.

How the Bry-Air MiniPAC MP-350 Desiccant Dehumidifier Compares to Other Bry-Air dehumidifiers

The closest 5 models from the 12 Bry-Air dehumidifiers we carry, by capacity. Not sure which size fits the job? Call +1 (978) 295-7538.

Model	Capacity	Airflow
Bry-Air MiniPAC MP-175 Desiccant Dehumidifier – Stainless Steel	133 PPD	175 CFM
Bry-Air MiniPAC MP-350 Desiccant Dehumidifier – 350 CFM, 11.7 lbs/hr, 3-Phase	269 PPD	350 CFM
Bry-Air MiniPAC MP-350 Desiccant Dehumidifier – Stainless Steel— this model	269 PPD	350 CFM
Bry-Air MiniPAC MP-600 Desiccant Dehumidifier – 600 CFM, 20 lbs/hr, 3-Phase	460 PPD	600 CFM
Bry-Air MiniPAC MP-600 Desiccant Dehumidifier – Stainless Steel	460 PPD	600 CFM