Darlly

Name

Darlly

Legal name

Hangzhou Darlly Filtration Equipment Co., Ltd.

Website

https://darllyfilter.com

Company type

Private

Founded year

1996

Operating status

Operating

Headcount range

51–100 employees

Short description

Darlly is a Chinese-headquartered manufacturer of replacement cartridge filters for pools and spas, with over 2,300 SKUs and distribution centers in North America, the UK, and the Netherlands, serving OEM/private-label brands, dealers, and end consumers globally.

Ownership category

akta.pro rank

Product category

Pool & Spa Filtration Products

NAICS

Pump and Compressor Manufacturing (33391)

SIC

Pumps & Pumping Equipment (3561)

akta.pro primary industry

Equipment Installation & Upgrades (Automation, Covers, Sanitizers) (HSAIALAJ)

akta.pro secondary industry

Pool & Spa Chemicals (Chlorination, pH Control, Algaecides) (CRAJAKAL)

Keywords

• Pool filter cartridges
• Spa replacement filters
• OEM filtration manufacturing
• Water filtration systems
• Pool spa accessories

Headquarters

HQ city

Chino

HQ country

United States

HQ region

North America

Offices3 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Own Brand Products: Sale of Darlly branded pool and spa filter cartridges and accessories through dealer network and direct channels.
2. OEM/ODM Manufacturing: Original design and manufacturing services for private-label filter brands and spa suppliers, including world-famous brands.
3. Replacement Cartridge Filters: One of the largest replacement cartridge filter manufacturer in the world, supplying over 2,300 available products.

Pricing tiers

Go-to-market motion2 records

Distribution channels3 records

Marketing channels2 records

Core offering

Darlly manufactures replacement cartridge filters for pools and spas, offering over 2,300 products in sizes from 2.5 to 250 sq.ft. that are compatible with major OEMs including Hayward, Jandy, Jacuzzi, Sundance Spas, Waterway, and Sta-Rite. The company also provides OEM/ODM design and manufacturing services to hundreds of private-label filter brands and spa suppliers, including some of the world's oldest and largest Hot Tub OEMs.

Product overview

Darlly Pool and Spa is one of the largest replacement cartridge filter manufacturers in the world, offering over 2,300 available products. The product portfolio centers on filter cartridges for pools and spas available in sizes ranging from 2.5 sq.ft to 250 sq.ft, compatible with major OEMs including Hayward, Jandy, Waterway, Jacuzzi, Sundance, Sta-Rite, Purex, and many others. The offering extends to filter accessories including the Darlly Cyclone Filter cleaning system, Darlly Duck oil-absorbing sponge, and the PureStream prefilter line (Carbon, Resin, and PP variants) for water preparation. The company also supplies replacement DE grids and MOD:3 pool filter replacements. All products are manufactured under ISO 9001 certified Quality Management System with distribution centers in North America (USA and Canada) and Europe (UK and Netherlands).

Differentiator

Problem solved

Functional benefit

Brands

• PureStream: Water prefilter product line including Carbon Prefilter, Resin Prefilter, and PP Prefilter for pool and spa water treatment
• Darlly Duck
• Nucleaner

Products and services

• Pool and Spa Filter Cartridges Replacement cartridge filters for pools and spas available in sizes ranging from 2.5 sq.ft to 250 sq.ft, compatible with major manufacturers including Hayward, Jandy, Waterway, Jacuzzi, Sundance, Sta-Rite, Purex, and others. Core product line of over 2,300 catalog SKUs.
• Darlly Cyclone Filter (Brush and Flush) Filter cleaning accessory that cleans deeper in less time and prolongs filter cartridge life by restoring treated filter cartridges to previous condition. Marketed under the Nucleaner sub-brand.
• Darlly Duck Oil Absorbing Sponge Oil absorbing sponge that prevents scum line formation in hot tubs and reduces contaminants from clogging filters, absorbing up to 40 times its weight in oils, lotions, and cosmetics.
• PureStream Carbon Prefilter Carbon prefilter that removes impurities including iron, lead, heavy metals, chloramines, hydrogen sulfide, color, and odor-causing organics from fill water. Part of the PureStream prefilter product line.
• PureStream Resin Prefilter Resin prefilter that softens water by removing scale, iron, calcium salt, and magnesium salt, making water easier to balance and feel smoother. Part of the PureStream prefilter product line.
• PureStream PP Prefilter PP prefilter that meets FDA and NSF standards, removing solids, dirt, sediment, rust, calcium, iron, and copper from fill water. Part of the PureStream prefilter product line.
• Replacement DE Grids Replacement DE (Diatomaceous Earth) grids for pool filter systems, serving as an alternative filter media format to standard cartridges.
• MOD:3 Replacement Pool Filter Replacement filter cartridges compatible with MOD 3 and System 3 pool filter systems.
• OEM/ODM Manufacturing Services Original design and manufacturing services for private-label filter brands and spa suppliers, including some of the world's oldest and largest Hot Tub OEMs. Darlly provides both quality manufacture of filtration systems and co-design and development of unique spa water filtration solutions.

Quantifiable outcome

• Darlly advanced filters ensure that your pool or spa is filled with crystal clear water every time.
• +3 more outcomes

Named customers1 record

Segments4 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Partnerships

One partnership is on record.

• World-famous Hot Tub OEM BrandscoreOEM/ Whitelabel/ Licensing PartnerSome of the world's oldest and largest Hot Tub OEMs rely on Darlly for quality manufacture of their filtration systems and in the design and development of unique spa water filtration solutions for the future. Darlly manufactures for hundreds of private-label filter brands and spa suppliers.

Scale indicators5 records

Recent moves6 records

Expansion highlights4 records

Broad incumbents

• Pentair: Pentair is a global water treatment and pool equipment incumbent (including Sta-Rite). It competes with Darlly via its own branded replacement cartridges as part of a broad pool, flow, and water treatment portfolio, and is also a customer/competing supplier relationship in the OEM channel.
• Jandy (Fluidra/Zodiac): Jandy, part of Fluidra/Zodiac, is a major OEM of pool and spa equipment. Its branded filtration systems are explicitly cross-referenced by Darlly, and Jandy competes for replacement cartridge spend while also being a potential OEM partner.
• Hayward Industries: Hayward is a leading incumbent pool equipment OEM whose branded filter systems (e.g., Hayward CX, X-Stream) are explicitly listed in Darlly's cross-reference catalog. It competes in replacement cartridges as part of a broader pool equipment portfolio including pumps, heaters, and automation.
• Waterway Plastics: Waterway is an established OEM supplier of pool and spa components, including filter cartridges, pumps, and jets. It is a direct competitor in the replacement cartridge category and an OEM supplier that overlaps with Darlly's customer base.
• Intex Recreation: Intex is a global above-ground pool, spa, and accessory brand whose filter systems (e.g., Intex Sand-n-Sun, Aqua Leisure) are explicitly cross-referenced by Darlly. It is a customer/adjacent competitor in the portable pool/spa filter market.

Direct peers

• Unicel: Unicel is a major manufacturer of replacement filter cartridges and grids for pools, spas, and hot tubs. It directly competes with Darlly in the same replacement cartridge category, including DE grids and pleated cartridges for the same installed OEM base.
• Filbur: Filbur manufactures replacement pool and spa filter cartridges and is widely cross-referenced against Darlly products. It competes head-to-head in the aftermarket replacement cartridge segment serving residential and commercial pool/spa owners.
• Pleatco: Pleatco is one of the leading manufacturers of replacement pleated filter cartridges and related filtration products for pools, spas, and hot tubs. It is the closest direct competitor to Darlly in the aftermarket pool/spa cartridge category, with a comparable OEM/private-label business model and overlapping cross-reference coverage of major installed brands.

Emerging players

• Sundance Spas: Sundance Spas is a hot tub OEM whose branded filters are explicitly listed in Darlly's cross-reference catalog. It is an OEM customer relationship for Darlly and a competing captive-supply brand in the replacement filter category.
• Bestway Global Holding: Bestway is a large global manufacturer of above-ground pools, spas, and related accessories. It is an adjacent competitor in portable pool/spa filtration and a potential OEM/ODM customer for replacement cartridges comparable to Darlly's white-label business.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• Xx.com/DarllyFilterLLC
• Facebookfacebook.com/DarllyFiltrationInc
• LinkedInlinkedin.com/company/darlly-filter-llc

Compliance2 records

Revenue estimate

Valuation estimate

Number of profiles

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 Darlly