Mag Filter

Alibaba.com

Overview

Product sourcing insights & recommendations

BoilerMag
ADEY
27 来源

The phrase "mag filter" primarily refers to two high-growth product categories: HVAC Magnetic Dirt Separators (for heating systems) and Magnetic Camera Lens Filters (for photography). While both utilize magnetism, they serve vastly different market needs and exhibit distinct consumer behaviors.

1. Market Trends: HVAC Magnetic Filters

This is a utility-driven market influenced by energy efficiency and government regulations.

* Market Size: The global magnetic filter market is valued at $12.31 billion (2026) and is projected to grow to $18.46 billion by 2034 with a 5.19% CAGR Precedenceresearch.

* Regulatory Drivers: In regions like the UK, mandatory installation laws (e.g., Boiler+ 2018) have shifted these from "optional upgrades" to "essential components" Squote.

* Consumer Insight: The primary motivator is boiler protection. Ferrous sludge (magnetite) causes over 80% of boiler failures. Consumers are increasingly aware that missing a filter can void their manufacturer warranty Squote.

* Innovation: A shift toward "smart" filters that monitor sludge levels via mobile apps and combined filters that capture both magnetic and non-magnetic debris Squote.

2. Market Trends: Magnetic Photography Filters

This is a professional/enthusiast market driven by convenience and "workflow speed."

* Adoption Trend: Photographers are rapidly moving away from screw-in filters to magnetic "snap-on" systems. The main driver is the "frictionless workflow"—changing filters in seconds to catch fleeting light GaryholpinKasefilters.

* Key Products: Popular items include CPL (Polarizers) and ND (Neutral Density) filters. Leading brands like K&F Concept and NiSi are dominating B2B trade due to high demand for "kits" AlibabaAlibaba.

* Growth Segment: Mobile photography mag-filters are surging. Professional-grade magnetic filters for iPhone and Galaxy devices (e.g., 67mm magnetic kits) are seeing significant transaction volumes AlibabaAlibaba.

3. Emerging Niche: Coffee "Mag Filters"

A small but trending niche in the "home barista" segment involves magnetic puck screens for espresso machines. These filters use magnetic suction to improve water distribution and keep the brew group clean Alibaba.

Sourcing Landscape

* HVAC Filters: Prices typically range from $21–$35/unit for bulk orders (MOQ 100+), with major manufacturing hubs in Hangzhou and Jiangxi, China AlibabaAlibaba.

* Lens Filters: High-quality phone kits range from $16–$49/unit, while professional DSLR filters can be significantly higher. These are primarily sourced from Shenzhen AlibabaAlibaba.

Based on the identified trends, you might want to:

Magnetic Camera Lens Filter System

Products · 3 lists

K&F CONCEPT Clip on 67mm CPL/ND2-32 Magnetic Phone Lens Filter Kit Phone Clip with Magnetic Adapter Ring /Cold Shoe/Locking Knob

K&F CONCEPT Clip on 67mm CPL/ND2-32 Magnetic Phone Lens Filter Kit Phone Clip with Magnetic Adapter Ring /Cold Shoe/Locking Knob

$18.54-49.504.2(83)
MOQ: 10 pieces
61% reorder rate≤10h response time
Shenzhen Longmi Trading Co., Ltd.Shenzhen Longmi Trading Co., Ltd.🇨🇳CN1 yr
K&F CONCEPT Clip on 67mm CPL/ND2-32 Magnetic Phone Lens Filter Kit Phone Clip with Magnetic Adapter Ring /Cold Shoe/Locking Knob

K&F CONCEPT Clip on 67mm CPL/ND2-32 Magnetic Phone Lens Filter Kit Phone Clip with Magnetic Adapter Ring /Cold Shoe/Locking Knob

$18.54-49.504.9(653)
MOQ: 10 pieces
Shenzhen Zhuo Er Photographic Equipment Co., Ltd.Shenzhen Zhuo Er Photographic Equipment Co., Ltd.verified🇨🇳CN13 yrs
Neewer Magnetic Nd Lens Filter Nd4 Nd8 Nd64 Nd1000 Magnetic Grey Filter With Magnetic Adapter Ring Lens Filter Set

Neewer Magnetic Nd Lens Filter Nd4 Nd8 Nd64 Nd1000 Magnetic Grey Filter With Magnetic Adapter Ring Lens Filter Set

$36.80-37.954.5(849)
MOQ: 5 pieces
50+ store reviews8% reorder rate≤3h response time
Dongguan Yihang Electrical Appliance Co., Ltd.Dongguan Yihang Electrical Appliance Co., Ltd.🇨🇳CN1 yr
Magnetic Lens Filters Adjustable CPL 1/4 BLACK MIST & VND2-32 Filters Metal ND MCUV Accessories for OSMO POCKET 4/3

Magnetic Lens Filters Adjustable CPL 1/4 BLACK MIST & VND2-32 Filters Metal ND MCUV Accessories for OSMO POCKET 4/3

$5.82-23.734.7(719)
MOQ: 2 pieces
1800+ store reviews23% reorder rate≤4h response time
Foshan City Gaoming District Mibohe Trade Co., Ltd.Foshan City Gaoming District Mibohe Trade Co., Ltd.🇨🇳CN11 yrs
Magnetic Phone Camera Filter Kit UV CPL ND VND Black Mist Lens Filters for iPhone 16/17/18 Pro Max Portrait Landscape Vlog Shoot

Magnetic Phone Camera Filter Kit UV CPL ND VND Black Mist Lens Filters for iPhone 16/17/18 Pro Max Portrait Landscape Vlog Shoot

$8-204.6(971)
MOQ: 5 pieces
Giai Photonics Co., Ltd.Giai Photonics Co., Ltd.verified🇨🇳CN7 yrs
Strong Magnetic Variable ND2-32 Light Pollution Reduction Black Mist 1/4 UV CPL Filter Kit Accessories for DJI OSMO Pocket 4/3

Strong Magnetic Variable ND2-32 Light Pollution Reduction Black Mist 1/4 UV CPL Filter Kit Accessories for DJI OSMO Pocket 4/3

$3.90-19.255.0(763)
MOQ: 10 units
35% reorder rate≤4h response time
Shenzhen Dwei Technology Co., Ltd.Shenzhen Dwei Technology Co., Ltd.🇨🇳CN3 yrs
Hot Sale 58mm Magnetic Clip CPL Filter New Design for Phone Camera Lens Mobile Phone Accessories

Hot Sale 58mm Magnetic Clip CPL Filter New Design for Phone Camera Lens Mobile Phone Accessories

$354.5(552)
MOQ: 2 boxes
50+ store reviews9% reorder rate≤2h response time
Chengdu Jingfeng Optical Technology Co., Ltd.Chengdu Jingfeng Optical Technology Co., Ltd.🇨🇳CN7 yrs
Luna Ultra Magnetic Filters Kit UV CPL ND8/64 Black Mist Night for Insta360 Luna Ultra Gimbal Camera Lens Filter Accessories

Luna Ultra Magnetic Filters Kit UV CPL ND8/64 Black Mist Night for Insta360 Luna Ultra Gimbal Camera Lens Filter Accessories

$6.97-38.814.9(96)
MOQ: 1 unit
100+ store reviews21% reorder rate≤5h response time
Shenzhen Yijin'an Technology Co., Ltd.Shenzhen Yijin'an Technology Co., Ltd.🇨🇳CN1 yr
HONGDAK for OSMO POCKET4/3 Magnetic Filter Macro Lens Panoramic Lens Adjustable Black/VND Filter Accessories

HONGDAK for OSMO POCKET4/3 Magnetic Filter Macro Lens Panoramic Lens Adjustable Black/VND Filter Accessories

$10.39-16.994.8(895)
MOQ: 10 pieces
Shenzhen Hongli Electronics Co., Ltd.Shenzhen Hongli Electronics Co., Ltd.verified🇨🇳CN7 yrs
OEM  Custom Any Set Collocation Magnetic Filter Camera Filter Set Magnetic Quick Swap System UV CPL ND Black Mist Sreak Filter

OEM Custom Any Set Collocation Magnetic Filter Camera Filter Set Magnetic Quick Swap System UV CPL ND Black Mist Sreak Filter

$3-214.5(793)
MOQ: 10 pieces
100+ store reviews40% reorder rate≤5h response time
Huizhou Xinnuo Precision Optics Co., Ltd.Huizhou Xinnuo Precision Optics Co., Ltd.🇨🇳CN6 yrs
Sunnylife Magnetic Lens Filters Adjustable CPL 1/4 BLACK MIST Filters Metal ND MCUV Accessories for Insa360 Luna Ultra

Sunnylife Magnetic Lens Filters Adjustable CPL 1/4 BLACK MIST Filters Metal ND MCUV Accessories for Insa360 Luna Ultra

$5.51-30.733.9(847)
MOQ: 10 sets
50+ store reviews50% reorder rate≤10h response time
Shenzhen Saidisi Electronic Co., Ltd.Shenzhen Saidisi Electronic Co., Ltd.🇨🇳CN18 yrs
OEM 49-82mm Factory Magnetic Glass Lens Filter Set UV CPL Mist Soft Black with Camera Lens Filter

OEM 49-82mm Factory Magnetic Glass Lens Filter Set UV CPL Mist Soft Black with Camera Lens Filter

$9-184.9(662)
MOQ: 50 pieces
100+ store reviews60% reorder rate≤1h response time
Hangzhou Yinben Photoelectric Co., Ltd.Hangzhou Yinben Photoelectric Co., Ltd.🇨🇳CN10 yrs
ND/CPL/Black/UV MagFilter 4 in 1 Magnetic Lens Filters with Base Mount Full Protective Camera Protector for iPhone 17 Pro Max

ND/CPL/Black/UV MagFilter 4 in 1 Magnetic Lens Filters with Base Mount Full Protective Camera Protector for iPhone 17 Pro Max

$3.23-3.484.8(823)
MOQ: 20 pieces
500+ store reviews24% reorder rate≤5h response time
Guangzhou Lumei Trading Co., Ltd.Guangzhou Lumei Trading Co., Ltd.🇨🇳CN14 yrs
MRC UV CPL ND Set Magnetic Lens Filters for DJI Action 2 Camera, ND4 ND8 ND16 ND32 ND64 ND1000 Neutral Density Lens Accessory

MRC UV CPL ND Set Magnetic Lens Filters for DJI Action 2 Camera, ND4 ND8 ND16 ND32 ND64 ND1000 Neutral Density Lens Accessory

$5.96-35.144.5(714)
MOQ: 1 piece
Shenzhen Hqs Technology Co., Ltd.Shenzhen Hqs Technology Co., Ltd.verified🇨🇳CN18 yrs
OEM Magnetic NDPL Filter Set for Osmo Pocket 4 Osmo Pocket 3 with Lightweight Design ND8PL/ND16PL/ND32PL/ND64PL Filters

OEM Magnetic NDPL Filter Set for Osmo Pocket 4 Osmo Pocket 3 with Lightweight Design ND8PL/ND16PL/ND32PL/ND64PL Filters

$20-26.805.0(751)
MOQ: 5 pieces
12% reorder rate≤2h response time
Dongguan Yulai Optical Co., Ltd.Dongguan Yulai Optical Co., Ltd.🇨🇳CN1 yr
For DJI Osmo Pocket 3 PULUZ Magnetic ND16 Camera Lens Filter

For DJI Osmo Pocket 3 PULUZ Magnetic ND16 Camera Lens Filter

$4.804.5(621)
MOQ: 1 piece
3500+ store reviews5% reorder rate≤6h response time
Shenzhen LGYD Electronics Co., Ltd.Shenzhen LGYD Electronics Co., Ltd.verified🇨🇳CN7 yrs
For Outdoor for Osmo Pocket 3 Gimbal Lens Protector Magnetic ND Filters Set Action Sports Camera Glass

For Outdoor for Osmo Pocket 3 Gimbal Lens Protector Magnetic ND Filters Set Action Sports Camera Glass

$23-284.8(408)
MOQ: 1 piece
Shenzhen Xingcheng Imaging Equipment Co., Ltd.Shenzhen Xingcheng Imaging Equipment Co., Ltd.verified🇨🇳CN2 yrs
Custom Logo/Packing Available:Magnetic UV CPL ND Lens Filter for DJI Osmo Pocket 4 Pro Waterproof Optical Glass Accessories

Custom Logo/Packing Available:Magnetic UV CPL ND Lens Filter for DJI Osmo Pocket 4 Pro Waterproof Optical Glass Accessories

$4.92-37.544.2(319)
MOQ: 50 pieces
12% reorder rate≤3h response time
Shanghai Wenzhenzhibi Technology Co., Ltd.Shanghai Wenzhenzhibi Technology Co., Ltd.verified🇨🇳CN3 yrs
For SmallRig 4581 67mm Magnetic Variable ND2-32 Filter 1-5 Stop No Vignetting Filter with Threaded Ring iPhone 15 Pro S24 Ultra

For SmallRig 4581 67mm Magnetic Variable ND2-32 Filter 1-5 Stop No Vignetting Filter with Threaded Ring iPhone 15 Pro S24 Ultra

$54.994.9(644)
MOQ: 1 piece
5% reorder rate≤3h response time
Zhengzhou Peijing Electronic Technology Co., Ltd.Zhengzhou Peijing Electronic Technology Co., Ltd.🇨🇳CN2 yrs
PULUZ Premium Magnetic Anamorphic & Wide-Angle Lens 112 Degree FOV Filter for DJI Osmo Pocket 4 / 3

PULUZ Premium Magnetic Anamorphic & Wide-Angle Lens 112 Degree FOV Filter for DJI Osmo Pocket 4 / 3

$10.624.5(64)
MOQ: 1 piece
3300+ store reviews4% reorder rate100+ views from America≤5h response time
Shenzhen Wbtd Technology Co., Ltd.Shenzhen Wbtd Technology Co., Ltd.🇨🇳CN6 yrs
Professional 52mm CPL Filter with Magnetic Bracket Clip-on Polarizer Lens for Live Streaming for Apple for iPhone 17 16 15 14 13

Professional 52mm CPL Filter with Magnetic Bracket Clip-on Polarizer Lens for Live Streaming for Apple for iPhone 17 16 15 14 13

$2.15-2.354.7(300)
MOQ: 2 pieces
400+ store reviews11% reorder rate≤4h response time
Guangzhou Doolike Electronic Technology Co., Ltd.Guangzhou Doolike Electronic Technology Co., Ltd.verified🇨🇳CN9 yrs
PULUZ Magnetic Wide-Angle Lens 112 Degree FOV Filter for DJI Osmo Pocket 4 / 3

PULUZ Magnetic Wide-Angle Lens 112 Degree FOV Filter for DJI Osmo Pocket 4 / 3

$174.4(585)
MOQ: 1 piece
3200+ store reviews7% reorder rate≤5h response time
Shenzhen PULUZ Technology Limited.Shenzhen PULUZ Technology Limited.🇨🇳CN5 yrs
Wholesale Black Mist Filter for Insta360 Luna Ultra Magnetic Lens Filter for Soft Highlights and Cinematic Glow Bulk Price

Wholesale Black Mist Filter for Insta360 Luna Ultra Magnetic Lens Filter for Soft Highlights and Cinematic Glow Bulk Price

$12-284.6(93)
MOQ: 1 piece
2100+ store reviews20% reorder rate≤7h response time
Shenzhen You Ju Jia Pin International Development Co., Ltd.Shenzhen You Ju Jia Pin International Development Co., Ltd.🇨🇳CN6 yrs
Mobile Phone Magnetic Polarizer HD Professional 52mm Photography CPL Filter

Mobile Phone Magnetic Polarizer HD Professional 52mm Photography CPL Filter

$2.70-2.994.8(922)
MOQ: 10 pieces
9% reorder rate≤3h response time
Shenzhen Longgang District Labubu Trading Firm (Individual Business)Shenzhen Longgang District Labubu Trading Firm (Individual Business)🇨🇳CN1 yr
Mobile Phone Magnetic Polarizer HD Professional 52mm Photography CPL Filter

Mobile Phone Magnetic Polarizer HD Professional 52mm Photography CPL Filter

$2.994.3(309)
MOQ: 10 pieces
300+ store reviews10% reorder rate≤3h response time
Shenzhen Xiyuecheng Technology Co., Ltd.Shenzhen Xiyuecheng Technology Co., Ltd.🇨🇳CN1 yr
Magnetic Circular Polarization Raster Filter Diffractive Lens 52MM Film Plastic Glass Special Effects

Magnetic Circular Polarization Raster Filter Diffractive Lens 52MM Film Plastic Glass Special Effects

$0.18-0.205.0(928)
MOQ: 100 pieces
≤11h response time
Shenzhen Ripu Technology Co., Ltd.Shenzhen Ripu Technology Co., Ltd.🇨🇳CN7 yrs
Mobile Phone Magnetic Polarizer HD Professional 52mm Photography CPL Filter

Mobile Phone Magnetic Polarizer HD Professional 52mm Photography CPL Filter

$2.994.7(136)
MOQ: 10 pieces
6% reorder rate≤1h response time
Fuzhou Minhou County Fuding E-Commerce Co., Ltd.Fuzhou Minhou County Fuding E-Commerce Co., Ltd.🇨🇳CN1 yr
TELEISN Professional Accessories for 15 Pro Max ND2-32 5 Levels Adjustable Mobile Phone Magnetic Neutral Density Filter Lens

TELEISN Professional Accessories for 15 Pro Max ND2-32 5 Levels Adjustable Mobile Phone Magnetic Neutral Density Filter Lens

$16.89-18.894.8(547)
MOQ: 10 pieces
300+ store reviews12% reorder rate≤2h response time
Zhengzhou Digital Melody Electronic Technology Co., Ltd.Zhengzhou Digital Melody Electronic Technology Co., Ltd.verified🇨🇳CN2 yrs
Magnetic Filter Buying Guide for HVAC & Photography