17 1/4x19 1/4x1 Exact MERV 12 Plus Carbon AC Furnace Filters

17 1/4x19 1/4x1 Exact MERV 12 Plus Carbon AC Furnace Filters

Marsoni

M251S

$102.20

Get it in 3 business days with 1 day shipping. Friday, May 29

17 1/4x19 1/4x1 Exact MERV 12 Plus Carbon AC Furnace FiltersActual Size: 17 1 4 x 19 1 4 x 3 4 (17. 25 x 19. 25 x 0. 75) Removes lint, household dust, pollen, smoke particles, dust mites, pet dander, virus carriers, mold spores, help eliminate unwanted odors and other contaminants. Ideal for customers who not only need odor control but whose daily life demands high filtration Hypoallergenic, antimicrobial, and electrostatic filter media. Moisture resistant frame. Nordic Pure MERV 12 is equivalent to MPR 1500

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This is my second 51mm machine. I never used the included handle or basket… I kept my existing HUGH IMS precision basket and bottomless portafilter. The temp and preinfusion are set and not adjustable but fine (reduced variables). I defeated the shut off by volume by setting higher than needed (wish that was easier to turn off). I like to manually shut off when I hit 30g on my scale. The machine will drip since there is not solenoid valve so I just pull the scale from the try when mouse tail breaks and drip starts. The steam wand and hot water dispenser is a massive upgrade (from Capresso EC50) and the real reason for my upgrade. I would have paid $50-100 more for the improvements listed… but I guess most people would not so this is about the best option for me with 51mm (keeping all the 51mm three lug portafilter stuff I own). 5 stars = for me and the price

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Reviewed in the United States on April 18, 2026