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11th July 2020, 02:17 PM #1Member
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Trito Respirator - PRE FILTER UPGRADE
The original Triton prefilter will clog up too quickly IMHO, under dusty conditions. This reduces air flow, which reduces your protection.
The prefilter can be replaced with a paper one having a much larger surface area. This gives better air flow for longer, even when the batteries are running down.
The filter can be bought from Bunnings for $17.98 nder mower accessories, Lawn Keeper part number LK-BAF6B
Their website shows the part, but has wrong dimensions and indicates the material as paper under Description, but as foam under Specs.
A foam substitute would not give the greater surface area, and is probably a typing mistake on their website.
An adaptor can be made from pine, using the original prefilter as a template.
A cover can be laminated from thin cardboard, to protect the filter from damage and hold it in place. The lid of a plastic box would be a good alternative, if the size was suitable.
Adhesive-backed draft sealing foam RP14 can be used to give a good air seal on both sides of the filter.
Pic_0523_144 Triton respi filter.jpgTriton respi filter upgrade.jpgPic_0523_142 Triton Respi filter.jpgPic_0523_143 triton respi filter.jpg
The pic on right shows the fan side of the adaptor
I have been using this for a couple of years, and have not needed to clean the filter very often.
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11th July 2020 02:17 PM # ADSGoogle Adsense Advertisement
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11th July 2020, 03:09 PM #2.
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Thanks for the lead on this.
I have tested the prefilters on these respirators with air flow meters and even when clogged haven't found them to be that significant in terms of restricting flow. I still have the original spare prefilter and it has not been used simply because the original one have never permanently clogged. I guess that depends on how dusty the work environment is but I found just stopping and tapping the build up off the filter restored the flow back to its original "ordinary" state. If it did get clogged where a tap or 2 would not clean it, a quick blast with compressed air seemed to do the trick.
Back in Jan this year I tested the flow in detail of my respirator because, even though the ping-pong ball indicator show it to be working, I have always found it to not deliver enough air insufficient for working in a hot/warm space. I even added a set of Li-ion batteries with higher V to see if that would improve the flow. This worked to some extent but I would like to have it provide maybe double the flow and it seems like the small plastic impeller cannot provide enough pressure to blow sufficient air through the P2 filters.
As someone pointed out - it is a budget priced device so don't expect too much
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