{"product_id":"glasfloss-zlp18251-pleated-air-filter-18x25x1-merv-10","title":"Glasfloss ZLP18251 Pleated Air Filter 18x25x1 Merv 10","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe GLASFLOSS ZLP18251 is a MERV 10 pleated air filter designed for residential and commercial HVAC systems where reliable particulate capture and low airflow resistance are required. Sized at 18 inches x 25 inches x 1 inch, it provides 5.41 square feet of synthetic fiber media surface area across 14 pleats per lineal foot. Initial resistance is 0.21 inches WC and final resistance is 1 inch WC, keeping static pressure impact minimal throughout the filter's service life. The 1-piece die-cut frame is constructed from heavy-duty, moisture-resistant beverage board incorporating post-consumer recycled material. A galvanized expanded metal backing is laminated to the air-exit side to maintain pleat shape and integrity under sustained airflow. Manufactured in the USA and Energy Star rated.\u003c\/p\u003e\u003cp\u003eThe ZLP18251 fits ducted forced-air systems in residential, light commercial, and geothermal unit applications. The tapered radial pleat configuration maximizes media contact area within a standard 1-inch filter slot, making it a practical choice for return-air grille and air handler installations where filter changeouts are routine. Its 100% synthetic fiber media performs across a wide range of HVAC operating conditions, including systems that experience intermittent humidity exposure. Applicable standards include UL 900, ANSI\/ASHRAE 52.2, USGBC LEED criteria, HARDI, and NAFA guidelines.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eMERV 10 filtration rating per ANSI\/ASHRAE 52.2 for effective capture of mid-range particulates\u003c\/li\u003e\n\u003cli\u003e100% synthetic fiber extended surface media in a tapered radial pleat configuration\u003c\/li\u003e\n\u003cli\u003eGalvanized expanded metal backing laminated to air-exit side resists rust and maintains pleat continuity\u003c\/li\u003e\n\u003cli\u003eHeavy-duty moisture-resistant beverage board frame made with post-consumer recycled material\u003c\/li\u003e\n\u003cli\u003eLow initial resistance of 0.21 inches WC supports efficient system airflow\u003c\/li\u003e\n\u003cli\u003eEnergy Star rated and made in the USA\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as an OEM-style replacement filter for standard 18 inches x 25 inches x 1 inch filter slots in residential and commercial forced-air HVAC systems, including geothermal units. Verify nominal and actual dimensions against the existing filter slot before installation.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eThis filter is installed by HVAC technicians or qualified service personnel during routine maintenance. Power down the air handler or furnace at the disconnect or breaker before accessing the filter compartment. Install with the airflow arrow on the frame pointing toward the blower and away from the return air stream. Do not operate the system without a filter in place, and replace when final resistance of 1 inch WC is reached or per the service schedule.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFilter Size\u003c\/strong\u003e: 18 inches x 25 inches x 1 inch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMERV Rating\u003c\/strong\u003e: 10\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMedia Area\u003c\/strong\u003e: 5.41 square feet\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePleat Density\u003c\/strong\u003e: 14 pleats per lineal foot\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFace Velocity\u003c\/strong\u003e: 300 FPM\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInitial Resistance\u003c\/strong\u003e: 0.21 inches WC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinal Resistance\u003c\/strong\u003e: 1 inch WC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMedia\u003c\/strong\u003e: 100% synthetic fiber extended surface, pleated\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrame\u003c\/strong\u003e: 1-piece die-cut, heavy-duty moisture-resistant beverage board\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBacking\u003c\/strong\u003e: Galvanized expanded metal, laminated\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature Rating\u003c\/strong\u003e: 180 degrees F\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplicable Standards\u003c\/strong\u003e: UL 900, ANSI\/ASHRAE 52.2, USGBC, LEED, HARDI, NAFA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e: USA\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eStandard Information\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: GLASFLOSS\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: ZLP18251\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GLASFLOSS","offers":[{"title":"Default Title","offer_id":51284140818738,"sku":"ZLP18251","price":15.28,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/309278582.webp?v=1781069614","url":"https:\/\/voomisupply.com\/products\/glasfloss-zlp18251-pleated-air-filter-18x25x1-merv-10","provider":"Voomi Supply","version":"1.0","type":"link"}