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This page lists all 3 Custom Stainless Steel Moisture Separator replacement filters available from Metal Air Filters — precision-manufactured washable aluminum mesh filters engineered as direct OEM replacements for Carrier commercial HVAC equipment. All filters on this page are HI Series products manufactured by American Metal Filter Company (AMFCO) with .030" extruded aluminum alloy frames, corrugated aluminum mesh media, UL 900 Class 1 certification, and a 275°F maximum operating temperature rating.
Each filter is a permanent washable replacement — clean and reuse for 5–10 years rather than replacing disposable filters every 30–90 days. AMFCO’s aluminum mesh construction provides 43% average dust arrestance per ASHRAE 52.1, making these filters ideal pre-filters in multi-stage Carrier commercial HVAC systems protecting downstream MERV 8 through HEPA filtration stages in rooftop units, air handlers, and split systems.
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All 3 Carrier-compatible washable aluminum mesh replacement filters available from Metal Air Filters, with nominal size, actual dimensions, and current pricing. Click any part number for full product details, specifications, and purchasing.
| Compatible Part No. | Nominal Size | Actual Dimensions | AMFCO SKU | Price |
|---|---|---|---|---|
| Custom Mist Eliminator Air Filter, Stain | 7/8″ (±1/16”) — height and width fabricated to customer spec (±1/8”) | HMSS10 | $— | |
| Custom Mist Eliminator Air Filter, Stain | 1-3/4″ (±1/16”) — height and width fabricated to customer spec (±1/8”) | HMSS20 | $— | |
| Custom Mist Eliminator Air Filter, Stain | 3-3/4″ (±1/16”) — height and width fabricated to customer spec (±1/8”) | HMSS40 | $— |
The following specifications apply to the HI Series aluminum mesh filters on this page. Individual products vary by nominal size, actual dimensions, dust holding capacity, and OEM compatibility — see each product page for complete product-specific specifications.
| Specifications: | Details: |
|---|---|
| Frame Material | 24 gauge stainless steel |
| Frame Construction | Precision-mitered corners secured with pop rivets; 3/8” diameter drain holes along bottom of frame |
| Filter Type | Impingement type washable panel filter — custom make-to-order |
| Rated Airflow | 500 fpm face velocity |
| Recommended Airflow Range | 450–550 fpm |
| Maximum Operating Temperature | 900°F continuous |
| Washability Rating | Frequent and rigorous |
| Recommended Final Resistance | 0.50 inches W.G. before cleaning |
| Compliance & Certifications | UL Classified 900 |
| Country of Origin | Made in USA |
Carrier commercial HVAC equipment is deployed across a wide range of commercial, institutional, and industrial building types. The following applications represent the primary use cases for Custom Stainless Steel Moisture Separator permanent washable aluminum mesh filters.
The HMSS10 custom 1-Inch stainless steel mist eliminator filter is specified for commercial, institutional, and industrial HVAC applications where standard catalog HMS filter sizes do not match the required housing dimensions—particularly applications requiring the 900°F temperature rating and rigorous washability of stainless steel construction that catalog-size aluminum HMA filters cannot provide at the same temperature.
Industrial process facilities, commercial kitchens, drying systems, and heated make-up air units with non-standard ductwork dimensions frequently require custom filter sizing at temperatures that exceed the 275°F aluminum filter rating. The HMSS10 provides 900°F capability in a custom-dimensioned stainless steel filter built to the exact dimensions your housing requires, ensuring complete face coverage and moisture separation performance without bypass gaps that defeat impingement capture efficiency.
Existing industrial facilities often have HVAC and ventilation systems with non-standard filter housing dimensions fabricated during original construction to plant-specific dimensions. The HMSS10 custom stainless steel mist eliminator provides the same HM Series impingement-type moisture separation in a filter built to the exact dimensions required for proper fitment in these non-standard housings, with the rigorous washability and temperature resistance that industrial environments demand from a permanent washable filter installation.
Commercial and industrial built-up filter banks assembled from site-specific ductwork and framing frequently use non-standard filter dimensions calculated from available housing space rather than catalog sizes. The HMSS10 custom stainless steel filter provides the 900°F-rated, rigorously-washable HMS performance in every cell of a custom built-up filter bank, ensuring uniform moisture separation across the entire bank face area without catalog-size substitutions that leave gaps or reduce capture efficiency at filter perimeters.
Customers searching for filter separator customized will find all compatible washable aluminum mesh replacement filters on this page. All custom stainless steel moisture separator products shown here are manufactured by American Metal Filter Company (AMFCO) as permanent, washable OEM replacements for Carrier commercial HVAC equipment. Whether searching for filter separator customized by Carrier part number or by nominal size, each filter shown here ships directly from AMFCO with full compatibility documentation.
Height and width can be specified to your exact requirements in 1/8″ increments. The nominal depth is fixed at 1″ (7/8″ actual). Specify drain hole placement (short or long dimension) at time of order. Contact Metal Air Filters with your required dimensions to receive a quote and confirm lead time.
The HMSS10 operates on the impingement principle: water droplets and oil mist cannot follow the tortuous path through the 9-ply stainless steel screen wire media layers at 500 fpm and collide with wire surfaces where surface tension holds captured liquid until it drains through the 3/8″ bottom drain holes. Achieves 99%+ efficiency on 3-micron+ water droplets.
Rinse with a moderate-to-heavy stream of warm water from the clean side through to the dirty side until water runs clear. The HMS stainless steel model is rated for frequent and rigorous washing. Air dry or shake off excess water before reinstalling. Mild detergent may be used for oil/coolant residue.
The HMSS10 HMS stainless steel model is rated for 900°F continuous operation— 50°F higher than the aluminum HMA model (275°F).
No. Custom make-to-order HMSS10 filters are non-returnable and non-exchangeable. Each filter is manufactured to the exact height and width you specify at time of order—because the filter is built specifically for your dimensions it cannot be restocked, resized, or returned. Filters produced from incorrect dimensions entered by the customer are not eligible for return, exchange, or refund. Measure your housing opening carefully and verify both height and width before placing your order. Contact Metal Air Filters before ordering if you are unsure of your required size.
Lead time varies by dimensions and production schedule. Contact Metal Air Filters with your required dimensions and quantity to receive a current lead time quote. Custom orders are non-returnable and non-exchangeable—production begins upon order confirmation and filters manufactured to customer-specified dimensions cannot be returned or exchanged for any reason, including incorrect dimensions entered at time of order. Verify your housing dimensions before ordering.
The 3/8″ drain holes are along the bottom of the frame and only function when the filter is upright with TOP facing up. Installing sideways or inverted prevents captured moisture from draining, reducing separation efficiency and potentially causing liquid re-entrainment into the airstream.
Yes—specify the gasket option and indicate which sides (short or long) require gaskets when placing your order. Also specify drain hole placement (short or long dimension) for special size filters at time of order.
Outside air intakes in dusty environments typically every 1–3 months; commercial moisture separation applications every 3–6 months; industrial coolant mist applications may need monthly washing. Inspect visually and monitor drain hole flow as washing indicators.
HMA (.030″ aluminum frame, 24 ga aluminum face grids): 275°F max, frequent and moderate washability. HMG (24 ga galvanized steel frame, 30 ga galvanized steel face grids): 325°F max, frequent and rigorous washability. HMS (24 ga stainless steel frame, 30 ga stainless steel face grids): 900°F max, frequent and rigorous washability. Choose HMS for applications exceeding 325°F or requiring stainless steel corrosion resistance.