HEPA filter replacement
the supply HEPA H13/H14 filter (EN 1822) changed on loading or breakthrough, not on a fixed clock
Priced by the airflow inside
Laminar Air Flow Price in India
Two laminar air flow units can look identical in a photo and still sit far apart on price. The difference is the airflow package inside: which way the air moves, how much working face it covers, and what holds that flow steady. Here is what moves the number in India, before you ask for a quote.
- Quoted per requirement
- HEPA H13 / H14
- GI, SS 304, SS 316
- Horizontal or vertical
Quotation input sheetLAF / India
- Flow direction
- Horizontal or vertical
- Working size
- 2x2 class to multi module
- Filter grade
- H13 or H14, EN 1822
- Cabinet material
- GI, SS 304 or SS 316
- Controls
- Basic, gauge, alarm, UV
- Validation
- At install, or into PQ
- Where it goes
- City, site and room
- Price
- Quoted per requirement
FIG. 01The inputs a laminar air flow quotation is built from. We do not publish a price list: every unit is quoted against its own specification.
The short answer
What a laminar air flow unit costs, in one paragraph
Quoted per requirement
A cleanroom-grade laminar air flow unit in India is priced to its job, not off a rate card. The flow direction, horizontal or vertical, and the working size set most of the number. The filter grade, H13 or H14, and the cabinet in GI or stainless steel 304/316 set the rest. The blower, the controls and the validation scope finish the figure.
The retail tabletop units sold online are a different product class from a cleanroom-grade unit.
- Off the shelf
Retail or tabletop unit
Sold off the shelf for light or educational use. A different product class, and not specified for a classified cleanroom.
- Engineered to spec
Cleanroom-grade unit
HEPA H13 or H14 filtration, a blower sized to hold a steady face velocity across the whole face, the GI or stainless build the room calls for, and validation into the room's qualification.
FIG. 02Two product classes. A marketplace listing and a specified build are not the same thing, which is why their numbers are not comparable.
That is why a laminar air flow unit is quoted against a specification rather than read off a list. Cleanroom-grade means unidirectional airflow held at a nominal face velocity of 0.45 m/s through HEPA H13 or H14 filters tested to EN 1822, so the working face sits at ISO Class 5 to ISO 14644. None of that engineering is in a tabletop unit, and all of it is in the price.
Cost drivers
What drives the price of a laminar air flow unit
Line up three quotes for the same bench and the spread rarely comes from the cabinet. It comes from the airflow package: how much filtered air the unit sheets across the work, and the filter grade and blower behind it. The drivers below are listed roughly in the order they move the number.
How to read the ladder
- Bar length
- Relative influence on the quoted number, not a share of it.
- Direction
- Every variable here moves the number the same way, upward.
- Fix these first
- Working size and flow direction. Between them they set the filter area, and filter area sets much of the rest.
Cost driver ladderNot a cost breakdown
FIG. 03The variables that dominate a laminar air flow quotation, drawn to relative influence and read top to bottom. The bars are an ordering, not a currency scale.
The same drivers row by row, with what changes inside the unit and which way it moves the quoted number.
| Cost driver | What changes | Direction on price |
|---|---|---|
| Horizontal vs vertical flow | a horizontal (cross-flow) bench pushes air back to front; a vertical (downflow) unit pushes air top to bottom and usually needs more filter area and headroom for the same working size | vertical often carries more filter area, so it tends to sit higher |
| Working size / footprint | the working width and depth, from a small single-operator bench to a multi-person or trolley footprint; a larger opening needs more filter area and a bigger blower | larger footprint, higher cost |
| HEPA grade and count (H13 / H14) | the supply air passes a HEPA H13 or H14 filter (EN 1822); a larger unit carries more or larger filters | H14 and more filter area cost more than a single H13 |
| Pre-filter stage | a washable pre-filter protects the HEPA and extends its life; grade and count vary with the environment | modest, but affects running cost more than purchase |
| Blower and motor | the blower holds the face velocity at a nominal 0.45 m/s design set-point across the whole face; a bigger unit needs a larger, often EC, motor | higher capacity, higher cost |
| Cabinet material (GI vs SS 304/316) | powder-coated GI for general use, stainless steel 304 for pharma, 316 for aggressive washdown or aseptic areas | stainless costs more than GI, and 316 more than 304 |
| Controls and monitoring | a basic on/off unit versus a magnehelic or digital differential-pressure gauge, airflow alarm, UV option and lighting | more monitoring, more cost |
| Validation scope | HEPA integrity by PAO/DOP, face-velocity mapping and particle count at install, plus documentation into the room's DQ/IQ/OQ/PQ where the project calls for it | adds to the installed cost |
FIG. 04Cost drivers for a cleanroom grade laminar air flow unit, ordered roughly by how much each moves a quotation.
Two of these drivers usually shape the quote before the rest: the flow direction and the working size. Fix those first. The filter grade, the build material and the controls then fine-tune the number rather than reshape it.
Relative positions
How the configurations compare on price
Every row below reads against one fixed anchor. A small horizontal cross-flow bench in powder-coated GI, sized for a single operator, is where most labs start. Every other configuration is a step up from that baseline. Footprints use the familiar bench-size classes.
Where to start
If the room is a general lab, the GI rows are the natural place to start. If it is a classified pharma or aseptic area, start from the stainless rows and work back.
For the full detail on each configuration, see the horizontal laminar air flow and vertical laminar air flow overviews. The laminar air flow overview covers how the airflow works and which type suits your work.
| Configuration | Typical use | Relative price vs small horizontal GI baselineTHIS PAGE |
|---|---|---|
| Small horizontal, GI (about 2x2 class) | a single-operator lab bench for sample prep, plating or product handling | baseline |
| Large horizontal, GI (about 4x2 to 6x2 class) | a wider bench for two operators or larger assemblies, more filter area and a bigger blower | above baseline for the added width, filter area and airflow |
| Small vertical, GI (about 2x2 class) | a downflow work zone where the flow must come from above the product | above the horizontal baseline for the added filter area and headroom it needs |
| Vertical or horizontal, SS 304 | a pharma or biotech bench that needs a stainless finish | above the GI equivalent for the material and finish the room demands |
| Vertical or horizontal, SS 316 | an aseptic or aggressive-washdown area calling for 316 stainless | highest of these, for the 316 build and the finishing it requires |
FIG. 05Relative positions only. No figure on this page is a published price, and exact working dimensions are confirmed per unit.
- HEPA grade, EN 1822
- H13 / H14
- Stainless build options
- SS 304 / 316
- HEPA integrity method
- PAO / DOP
- Qualification scope
- IQ / OQ / PQ
After handover
Total cost of ownership: what a laminar air flow unit costs to run
The purchase price is only the first number. A laminar air flow unit runs a blower whenever it is on, and its filters are consumables. So the full cost is the purchase plus what it takes to keep the unit filtered, validated and running. A low price on a unit that is costly to run is not a saving.
Pre-filter cleaning or change
the washable or replaceable pre-filter that protects the HEPA
Re-validation
HEPA integrity by PAO/DOP, face-velocity mapping and particle count, plus documentation where the room's qualification calls for it
Blower running cost
the energy the blower draws to hold the design face velocity while the unit is on, higher for a larger unit
Consumables and wear
gaskets, gauges, lighting and UV lamps if fitted, over the unit's life
Why size is a cost decision
Pricing the filters, validation and running energy up front keeps the quoted number and the lived-in number close. It also helps to ask for the filter and re-test cadence in the quote itself, so the running cost is visible before you commit. A right-sized bench usually costs less to run than an oversized one on a larger blower. That is why size is a cost decision, not only a throughput one.
Spec to quote
What to send so we can size your quote
The quickest route to a sized quote is a short list of details. With these in front of an engineer, the number can be built around your bench and hold steady from quote to install.
Missing one of these? Say so. Part of sizing the quote is helping you settle the spec before the price.
- 01
Flow direction
horizontal (cross-flow) or vertical (downflow), or ask us to recommend one for your work.
- 02
Working size
the width and depth you need at the work opening, or the bench size class you have in mind.
- 03
Filter grade
H13 or H14, or the room classification you are working to so we can set it.
- 04
Cabinet material
powder-coated GI, SS 304 or SS 316, driven by the room and its cleaning regime.
- 05
Controls
basic, or with a differential-pressure gauge, airflow alarm, UV option or extra lighting.
- 06
Validation
whether you need the filter integrity, face velocity and particle count documented at install.
- 07
Where it goes
the city and site, and whether it is a standalone bench or part of a wider cleanroom fit-out.
FIG. 06The seven details that turn a guess into a sized quotation.
Built in-house
What you get when the unit is built in-house
Fabtech Cleanrooms engineers and builds laminar air flow units in-house in India. The price you are quoted is for a unit designed to your work and your room, not a catalogue item. Most of that price is the airflow engineering, and that part is designed and built end to end here.
The spine of every quote is the HEPA filtration and the blower matched to it. Filters come in the H13 grade or the finer H14. The blower is set to hold a nominal face velocity of 0.45 m/s across the whole working face.
The cabinet is built in GI or in stainless steel 304 or 316, as the room calls for. The unit is installed and validated where the project requires it.
For how the flow works and which type suits your process, see the laminar air flow overview . The cost drivers hold wherever you are pricing a unit in India, so an accurate quote built to your spec starts from the same short set of details.
Where LAF benches are used Validation and qualification Cleanroom equipment range
What the airflow buysEngineered here
- Unidirectional supply across the face
- HEPA H13 or H14 capture at the filter
- Documented into DQ, IQ, OQ, PQ
FIG. 07The three things the airflow engineering actually buys, and the part of a laminar air flow unit that carries most of its price.
FAQ
Frequently asked questions
There is no single price. A cleanroom-grade unit is quoted per requirement: flow direction, working size, filter grade, cabinet material, blower, controls and validation scope. A small horizontal bench in GI is the common baseline. The retail tabletop units sold online are a different, lighter product class.
Mostly the airflow engineering, not the cabinet finish. The biggest swings are horizontal versus vertical flow, the working size, the filter grade and area, and the blower. A stainless steel body, added monitoring and the validation scope move it further. See the laminar air flow overview for the detail.
A 2x2 bench size is a starting point, not a full spec. A small horizontal 2x2 in GI sits near the common baseline. A vertical 2x2, a stainless 2x2 or added validation each moves up from there. Send the rest of the spec and we will size it.
Often, yes, for the same working size. A vertical downflow unit usually needs more filter area and headroom than a horizontal bench of the same width, so it sits higher on price. Let the work set the flow direction first, then compare figures.
Those are small retail or tabletop units built for light or educational use. A cleanroom-grade unit carries tested HEPA filtration, a blower sized to hold a steady face velocity, the right build, and validation into the room's records. That engineering is what the price reflects.
Yes. A powder-coated GI cabinet suits general lab use. Stainless steel 304 is specified for pharma, and 316 for aseptic or aggressive-washdown areas. Each step up in material and finish adds to the price. The room's cleaning regime decides the build, so material is a specification first.
Request a quote
Request a laminar air flow quote
Send us your flow direction, working size and build and we will come back with an accurate quote, unit, validation and integration together.
Based in Andheri (West), Mumbai
Delivering cleanroom projects across India.