Hi everything is ok with this filter except gas stage filter you will never adsorb most harmfull soldering flux fumes by standalone activated carbon filter for this need to mix activated alumina impregnated by kmn04 with activated carbon then you get reall chemicall filter comparable to high-end soldering fume extractors, it is enough to mix 5kg of activated alumina with 1,2kg can filters activated carbon (lite version) to get excellent result for small air-flow 200m3/h - 300m3/h, activated alumina with kmn04 isnt cheap but at last whole cost for 5kg activated alumina + 1,2kg can-lite carbon + M5 prefilter + F8 prefilter + hepa h13 filter will cost you just half price of bofa or weller replacement filters and you propably get more better result with it, ive designed many soldering fume extractors in past and i getting stucked with gas stage filters still having a hope i create very big carbon filter (over 15kg of coconut activated carbon loadded to 4 cartridges and. So my questions are: Anyone have any experience with these units? Any thoughts? Is the pre-filter really worth it? Is it worth the extra expense in filters to go with the BAOSHISAN? Thanks! Mike, New Jersey, USA. The filters for the BAOSHISAN are very expensive. The only hang up I have is the price of the filters. Overall, the BAOSHISAN seems to be a better quality build.
Both feature flexible hoses with a snorkel head. The BAOSHISAN is quite a bit more money than the KOTTO, though I am not deterred by that outright. The BAOSHISAN also features a "pre-filter". I've read the reviews and watched YouTube reviews on the KOTTO (non are to be found on the BAOSHISHAN), and the seem pretty favorable. The specs on both units are similar: BAOSHISHAN Fume Extractor Soldering 3 Stage Filters Desktop Smoke Absorber KOTTO Strong Suction Hose Fume Smoke Absorber for Soldering, Electric Iron Welding, 3d Printing Extractor Absorber Remover DIY Extractor Carbon or HEPA Filter Both feature a combination HEPA/Carbon filter (though the KOTTO it is optional), and both use 40W fans. This also means venting to outside can be problematic. I live in an apartment and do not currently have a dedicated workspace, so I am looking for something desktop and portable. Hot plate desoldering of power boards can be especially bad, since it can produce an especially noxious acrid smoke (you probably know exactly what I mean). I do a lot of desoldering to salvage components, which can include vacuum gun, hot air, and hot plate. My basic use is soldering and desoldering.
I'm currently looking at 2 fume extractors on Amazon and I'm torn.
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