Dear Customer, Many thanks for your inquiry. No, it doesn't fit for N4 dash cam. Thank you. On regards Vantrue

Dear customer, Thanks for your inquiry. You can wipe it with a microfiber cloth if it gets dirty. Hope it may help. On regards By Vantrue

are you supposed to twist it to adjust once it's screwed on? I noticed 2 notches in the lens.

Once tightened by hand, it can be rotated 360°. Clockwise is best as you look at the front of the cam. As ccw can unscrew the filter.

Why is there no filter for the N4?

Dear customer, Many thanks for your asking. The lens diameter of this CPL is not fit for N4 dash cam. And the circular polarizer filter is our new design accessory products for E series and the latest N4 Pro dash cam. If more question, please contact us via support@vantrue.net. Thank you! On regards Vantrue

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Vantrue 40mm Ultra-Slim CPL Circular Polarizer Filter for Vantrue E1, E2, E3, N5, N4 PRO, S1 Pro Dash Cam, Reduce Glare and Reflection, Enhance Contrast

Vantrue 40mm Ultra-Slim CPL Circular Polarizer Filter for Vantrue E1, E2, E3, N5, N4 PRO, S1 Pro Dash Cam, Reduce Glare and Reflection, Enhance Contrast

Product ID: 569686029

Details

Brand
VANTRUE
Coating description
Multi Coating
Material
Glass
Photo filter effect type
Polarizer
Photo filter thread size
40 Millimeters

🎥360° field of view, 1080p & 4K compatible

📏40mm ultra-slim 5.5mm rim

🛡️Multi-resistant coating (anti-scratch, oil & water resistant)

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฿5903

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Sold byAmazon ThailandDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🚗 Elevate your dash cam game—see every drive in stunning clarity!

RUGGED DURABILITY - Aluminum alloy CNC design with multi-resistant coating for daily hustle-proof use.
CRYSTAL CLEAR VISION - Slash glare & reflections for vibrant, true-to-life dash cam footage.
SEAMLESS COMPATIBILITY - Tailored for Vantrue E1, E2, E3, N5, N4 PRO, S1 Pro & more—perfect fit guaranteed.
EFFORTLESS INSTALLATION - Non-slip design makes filter swaps quick and hassle-free—upgrade your footage in seconds.
SLEEK ULTRA SLIM PROFILE - 5.5mm rim avoids vignetting on wide-angle lenses—no more dark edges.

The Vantrue 40mm Ultra-Slim CPL Circular Polarizer Filter is a precision-engineered accessory designed exclusively for select Vantrue dash cams. Featuring a slim 5.5mm aluminum alloy frame with multi-resistant coatings, it effectively reduces glare and reflections while enhancing contrast and color saturation. Compatible with multiple Vantrue models, it ensures edge-to-edge clarity without vignetting, making it an essential upgrade for professionals and enthusiasts seeking superior dash cam footage quality.

Specifications

ASIN	B0B2VMYQBL
Best Sellers Rank	#29,537 in Electronics ( See Top 100 in Electronics ) #61 in Camera Lens Polarizing Filters
Brand	VANTRUE
Built-In Media	Vantrue CPL Filter
Coating Description	Multi Coating
Color	CPL Filter-N
Compatible Devices	Vantrue E1 Pro, E1, E1 Lite, E2, E3, N4 Pro, N5, N5S, N2X, S1 Pro
Customer Reviews	4.6 4.6 out of 5 stars (1,065)
Enclosure Material	Glass
Item Dimensions L x W	40L x 40W millimeters
Item Type Name	Cpl filter.
Item Weight	18 Grams
Manufacturer	VANTRUE
Manufacturer Part Number	VT-F070001-VC-IN
Model Name	Vantrue 40mm Ultra-Slim CPL Circular Polarizer Filter
Model Number	VT-F070001-VC-IN
Photo Filter Factor	1.5 x
Photo Filter Size	40 Millimeters
Screen Size	40 Millimeters
Special Effect	Polarizer
Thread Size	40 Millimeters
UPC	193368003179
Unit Count	1 Count
Video Capture Resolution	1080p, 4K
Warranty Description	18 Months Extended Warranty after Register on Vantrue Official Website
Water Resistance Level	Water Resistant

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