Weltool LF33 Diffusion Filter – 33mm Flip Cover for W3Pro & W3Pro TAC Flashlights
Weltool LF33 Diffusion Filter – 33mm Flip Cover for W3Pro & W3Pro TAC Flashlights
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Weltool LF33 Diffusion Filter
The Weltool LF33 Diffusion Filter is a 33mm flip-cover flashlight accessory that snaps onto the bezel of your Weltool W3Pro or W3Pro TAC and instantly converts a tight, long-throw beam into a soft, wide flood. The elastic flip cover lets you flip the diffuser open for full-throw spot mode or closed for flood mode in a single motion, without removing it from the light.
Highlights
- Elastic flip-cover design switches between throw and flood instantly
- Diffuses the beam for close-up tasks, camping, and area lighting
- Inner diameter 32.5mm–33mm (1.28"–1.3") for a secure fit
- Stays attached to the light — no need to pocket a loose filter
- Lightweight at roughly 10g
Specifications
| Model | Weltool LF33 Diffusion Filter |
| Inner diameter | 32.5mm–33mm (1.28"–1.3") |
| Cover type | Elastic flip cover |
| Function | Beam diffusion (throw to flood) |
| Compatibility | Weltool W3Pro, W3Pro TAC, LH1 and LH3 heads |
| Weight | Approx. 10g |
Frequently Asked Questions
What does the Weltool LF33 diffusion filter do?
The Weltool LF33 Diffusion Filter diffuses the focused beam of a W3Pro or W3Pro TAC flashlight, spreading the light into a wide, even flood for close-range work, camping, and area lighting.
Which flashlights does the Weltool LF33 fit?
The Weltool LF33 Diffusion Filter has a 32.5mm–33mm inner diameter and fits the Weltool W3Pro, W3Pro TAC, and the LH1 and LH3 light heads. It is not compatible with the smaller 29mm LH18 head.
Does the Weltool LF33 affect beam throw or output?
With the cover closed, the Weltool LF33 Diffusion Filter trades the tight long-throw hotspot for a soft flood, so effective throw drops while up-close visibility improves. Flip the cover open and the light's full throw and output are restored.
How does the flip cover on the Weltool LF33 work?
The Weltool LF33 Diffusion Filter uses an elastic cover you can flip open to use the bare spot beam, or flip closed to diffuse the beam into flood — all without removing the filter from the flashlight.
Will the Weltool LF33 work on the W3Pro TAC?
Yes. The Weltool LF33 Diffusion Filter fits the W3Pro TAC and produces a wider, more even spill, making the long-throw LEP light usable for nearby tasks.
Is the Weltool LF33 removable?
Yes. The Weltool LF33 Diffusion Filter stretches over the bezel and stays put during use, yet can be removed by hand whenever you want the original focused beam.
Where can I buy the Weltool LF33?
You can buy the Weltool LF33 Diffusion Filter at Going Gear, an authorized Weltool dealer, along with the compatible W3Pro and W3Pro TAC flashlights.

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