from West Chester, OH United States
No issues whatever with DFF; they ALWAYS make it easy to do business with them re; cost, customer service, etc. But regarding the lamps themselves, compared to the previous versions manufactured in Hungary, the newest versions originate from Poland, and have CLEARLY been cost-reduced by Lennox.
The new lamps are MUCH lighter in overall weight, and correspondingly more prone to breakage (which I experienced personally) on installation. A quick way to identify these new Poland-origin lamps at a glance....without the box..... is that the two UV tubes terminate in individual flat ends rather than with one another via U-bend. IMO, the elimination of this U-bend contributes to the comparatively more flimsy new design.
Not saying these newest revision lamps don't operate perfectly well in the Pure Air; and again, none of these issues have ANYTHING to do with DFF. Just be aware they require FAR greater care in handling upon installation than earlier versions.
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