3nine

What 3nine does

3nine is a Swedish industrial manufacturer founded in 2003 and headquartered in Nacka Strand, Sweden, specializing in oil mist elimination systems for metalworking facilities. The company develops and sells separators that purify workshop air contaminated by oil and cutting fluid aerosols generated during CNC machining, grinding, turning, milling, and drilling operations. Its core technology is lamella separation, a rotor-based method invented over a century ago that 3nine has further developed with more than 100 global patents, representing over 40% of all patents worldwide in this field. The product architecture combines cyclone pre-separation, lamella separation (which extracts 100% of particles down to 1 micron), and a HEPA H13 final filter to produce 99.95% particle-free air, with the patented CIP (Clean-In-Place) system continuously washing rotors during machining to prevent clogging.

3nine sells two main hardware product lines: the GREEN LINE (Nova 300, Anna 600, Lova 900, Nina 1200) targeting cabin sizes of 2-12 cubic meters, and the BLUE LINE (Alma 500, Lina 500, Clara 1000, Emma 2500, Petra 1000) targeting higher air flows up to 3000 m³/h. A third-generation APEX Series launched in 2026. Accessories include oil skimmers (SLS, MOS), MiJET work stations, and CIP cleaning systems. Consumables comprise HEPA H13 filters with an average 30-month lifespan, the lowest filter replacement cadence in the segment. Since 2003, 3nine has sold more than 13,000 units, separating over 18 million liters of oil and sparing an estimated 54,000 tons of CO₂ emissions through recycled cutting fluid.

The company operates a sales-led, quote-based business model selling through a global distributor network across Asia, Europe, and North and South America, supplemented by direct sales via its regional US subsidiary (3nine USA Inc., Charlotte) and headquarters. End customers are industrial manufacturers including Sandvik Coromant, Trumpf, Moog, Festo, Konecranes, COMET AG, Hemabo, and Redex. Since 2022, 3nine has been majority owned by Alder, a Nordic investment fund focused on sustainable technology companies, with founder Salvatore Grimaldi retaining a minority stake.

Name

3nine

Legal name

3nine AB

Website

https://3nine.se

Company type

Private

Founded year

2003

Operating status

Operating

Headcount range

11–50 employees

Short description

3nine is a Swedish manufacturer of oil mist elimination systems for industrial metalworking, using patented lamella separation technology to purify CNC workshop air. The company serves global manufacturers through hardware sales across GREEN LINE, BLUE LINE, and APEX Series product lines via distributors and direct sales.

Ownership category

akta.pro rank

Product category

Industrial Air Filtration Equipment

NAICS

Industrial and Commercial Fan and Blower and Air Purification Equipment Manufacturing (333413)

SIC

Industrial & Commercial Fans & Blowers & Air Purifing Equip (3564), Misc Industrial & Commercial Machinery & Equipment (3590)

akta.pro primary industry

Emission Control & Scrubbing Equipment (Scrubbers, Dust Collectors, Catalytic Systems) (IMAHAEAK)

akta.pro secondary industry

Filters, Air Handling & Environmental Control (HEPA/Carbon Filters, Fume Extraction, Dehumidifiers) (IMAAAIAF)

Keywords

• Oil mist eliminators
• Industrial air filtration
• Lamella separation technology
• Workshop air purification
• CNC machining filtration

Headquarters

HQ city

Nacka

HQ country

Sweden

HQ region

Europe

Offices2 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Personnel, Supply Chain, Technology or R&D, Operations, Marketing or Sales, Infrastructure

Revenue model

1. Hardware Sales - Oil Mist Separators: Sale of oil mist separator units across GREEN LINE and BLUE LINE product lines. Units range from compact models for small machines to large units for industrial applications. Direct sales through distributors globally.
2. Aftermarket - Filters and Spare Parts: HEPA filter replacements and spare parts for oil mist separators. Average filter lifespan of 30 months means relatively low aftermarket revenue compared to competitors requiring frequent filter changes.
3. CIP Cleaning Systems: CIP (automatic cleaning) systems available as accessories for tough applications like grinding and cast iron machining.

Pricing tiers

Go-to-market motion1 record

Distribution channels2 records

Marketing channels4 records

Core offering

3nine designs, manufactures, and sells oil mist eliminators/separators (GREEN LINE, BLUE LINE, and APEX Series product lines) used by industrial metalworking customers to remove oil mist from CNC machine and workshop air using proprietary lamella separation technology combined with cyclone pre-separation and HEPA H13 filtration, achieving 99.95% particle-free air output, recovering cutting fluids and oils for reuse, and supporting compliance with workplace air-quality regulations.

Product overview

3nine is a Swedish company that develops oil mist elimination solutions for industrial indoor air purification. The product portfolio consists of two main product lines: GREEN LINE (newer generation with advanced lamella separation technology) and BLUE LINE (classic series). GREEN LINE includes Nova 300, Anna 600, Lova 900, and Nina 1200 models with capacities from 300-1200m³/h for cabin sizes 2-12m³. BLUE LINE includes Alma 500, Lina 500, Clara 1000, Emma 2500, and Petra 1000 with air flows from 500-3000m³/h. Both lines use the patented lamella separation technology combined with HEPA H13 final filtration to achieve 99.95% particle-free air. Accessories include oil skimmers (SLS, MOS), MiJET products, and CIP automated cleaning systems. The APEX Series represents the third generation with enhanced features.

Differentiator

Problem solved

Functional benefit

Brands

• GREEN LINE: Advanced oil mist separator product line featuring Nova, Anna, Lova, and Nina models with lamellar separation technology, designed for high purification and low maintenance.
• BLUE LINE
• APEX Series
• MiJET

Products and services

• Nova 300 Smallest GREEN LINE oil mist eliminator for machine tools with cabin sizes up to 2 m³; available in Advanced (with frequency converter) and Basic versions.
• Anna 600 GREEN LINE oil mist eliminator for machine tools up to 6 m³ cabin size with 600 m³/h air flow; suitable for all cutting fluid/oil applications including tough grinding and cast iron machining.
• Lova 900 GREEN LINE oil mist eliminator for machine tools up to 9 m³ cabin size with 900 m³/h air flow; handles all cutting fluid applications including grinding and cast iron.
• Nina 1200 Top-capacity GREEN LINE oil mist eliminator for machine tools up to 12 m³ cabin size with 1200 m³/h air flow; handles all cutting fluid applications including grinding and cast iron machining.
• Alma 500 Compact BLUE LINE oil mist eliminator with up to 500 m³/h air flow, designed for applications generating large amounts of solid particles.
• Lina 500 BLUE LINE oil mist eliminator for smaller enclosed machine tools up to 5 m³ cabin size with 500 m³/h capacity; suited to compact machining centers.
• Clara 1000 BLUE LINE oil mist eliminator with high purification in compact format; supports air flows from 500 to 3000 m³/h.
• Emma 2500 BLUE LINE oil mist eliminator for high air flow applications with minimal maintenance requirements.
• Petra 1000 BLUE LINE oil mist eliminator offering high purification in compact format with minimal maintenance.
• HEPA Filter HEPA H13 final filter for 3nine oil mist eliminators; separates particles smaller than 1 µm and averages 30+ months of lifespan.
• CIP (Clean-In-Place) Automatic Cleaning System Patented automatic cleaning system accessory that continuously washes rotors during machining operations, preventing clogging; available with pump or valve and recommended for tough applications such as grinding and cast iron machining.
• Oil Skimmer SLS Oil skimmer accessory for separating oil from liquid surfaces.
• Oil Skimmer MOS Oil skimmer accessory for oil separation applications.
• MiJET 8" Angled Top MiJET accessory with 8-inch angled top design for oil mist collection.
• MiJET 12" Angled Top MiJET accessory with 12-inch angled top design for larger oil mist collection.
• MiJET Work Station MiJET work station accessory for integrated oil mist management.
• APEX Series (Third-Generation Oil Mist Separators) Third-generation 3nine oil mist separators combining patented separation technology, lower total cost of ownership, sustainability, cleaner air, and a healthier work environment; featured at Elmia Machine Tools 2026 and GrindingHub Stuttgart 2026.

Quantifiable outcome

• 13,000+ oil mist eliminators deployed, separating over 18,105,000 liters of oil annually
• +4 more outcomes

Named customers12 records

Segments3 records

Ideal customer profiles2 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Scale indicators10 records

Recent moves6 records

Expansion highlights5 records

Direct peers

• Nederman: Swedish-headquartered global leader in industrial air filtration and mist/dust collection solutions; directly competes with 3nine in oil mist elimination for CNC and metalworking environments with comparable product breadth.
• Absolent: Swedish manufacturer of oil mist and dust collectors for industrial air cleaning; both headquartered in Sweden and competing head-to-head in oil mist elimination for metalworking with overlapping product lines.
• Keller Lufttechnik: German manufacturer of industrial air extraction and filtration systems including oil mist and dust collection for metalworking; closely comparable European specialist competing for similar CNC/machining customers.
• Filtermist: UK-based specialist manufacturer of oil mist collectors for machine tools using centrifugal separation; directly competes with 3nine in the same CNC/metalworking use cases, particularly across European markets.
• Plymovent: Dutch manufacturer of industrial air filtration, fume extraction and oil mist elimination systems; directly competes with 3nine in European metalworking and welding air cleaning applications.

Broad incumbents

• Camfil: Swedish-founded global air filtration company with industrial air purification product lines including HEPA-based solutions; broad incumbent serving similar end customers with overlapping HEPA-based air cleaning technology.
• AAF Flanders: Global manufacturer of air filtration products including industrial mist collectors and HEPA filters; broader portfolio but overlapping with 3nine in HEPA-based air purification for manufacturing environments.
• Donaldson Company: US-listed global filtration company with industrial air filtration product lines including oil mist collectors for machining; broader portfolio but directly overlaps with 3nine in metalworking air purification.
• Mann+Hummel: German-headquartered global filtration leader with industrial air solutions including oil mist separation; large incumbent with comparable technology offering overlapping with 3nine's metalworking customers.

Emerging players

• Industrial Maid: US-based manufacturer of oil mist and dust collectors for machine tools and manufacturing; smaller emerging competitor with comparable product focus on metalworking air purification in North American markets.

Market position

Strengths5 records

Weaknesses4 records

Competitive moat4 records

Key risks5 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/3nine-ab
• Xx.com/3nine1
• Facebookfacebook.com/3nineAB

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about 3nine