{"product_id":"custom-size-bonded-a-aluminum-rust-resistant-washable-permanent-filter","title":"Custom Size Bonded “A” Thin Aluminum Washable Permanent Filter","description":"\u003cp\u003eThis is our \u003cstrong\u003ecustom-size Bonded “A” Aluminum Washable Permanent Filter\u003c\/strong\u003e — built to your exact dimensions by Smith Filter Corporation. It is the \u003cstrong\u003ethin\u003c\/strong\u003e member of the washable aluminum family: where the Mech 8, Thrift Aire and Electrostatic panels start at 1\/2″, the Bonded “A” is made as shallow as \u003cstrong\u003e1\/8″\u003c\/strong\u003e, so it drops into openings that will not take a conventional filter at all.\u003c\/p\u003e\n\u003ch3\u003eWhy this filter exists\u003c\/h3\u003e\n\u003cp\u003ePlenty of equipment has a filter slot measured in fractions of an inch — a ceiling vent fan, a microwave grease slot, a wall heater intake, an equipment cabinet louver. Those openings normally get whatever thin pad the OEM sold once and never stocked again. The Bonded “A” replaces that pad permanently: same shallow depth, aluminum frame, and you wash it instead of buying it again.\u003c\/p\u003e\n\u003ch3\u003eChoose your depth\u003c\/h3\u003e\n\u003cp\u003eDepth is the whole point of this filter. Six depths are made to order:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1\/8″\u003c\/strong\u003e — the shallowest slots: vent fan grilles, louvered covers, tight OEM tracks\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1\/4″\u003c\/strong\u003e — the most common thin-pad replacement depth\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e5\/16″\u003c\/strong\u003e and \u003cstrong\u003e3\/8″\u003c\/strong\u003e — odd OEM slots that a 1\/4″ rattles in and a 1\/2″ will not enter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e7\/16″\u003c\/strong\u003e — near-half-inch openings with no clearance to spare\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1\/2″\u003c\/strong\u003e — the deepest Bonded “A”, and the crossover point with our standard washable panels\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eMeasure the slot, not the old pad, if the old pad has been compressed. If you are between two depths, take the shallower one — a filter that will not seat is worse than one with a little play.\u003c\/p\u003e\n\u003ch3\u003eWhere it gets used\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCeiling and bathroom vent fans\u003c\/li\u003e\n\u003cli\u003eKitchen and commercial exhaust hoods\u003c\/li\u003e\n\u003cli\u003eMicrowave grease-filter slots\u003c\/li\u003e\n\u003cli\u003eWall heaters and through-wall units\u003c\/li\u003e\n\u003cli\u003eElectronic equipment and computer-environment cabinets\u003c\/li\u003e\n\u003cli\u003eRoom air cleaners and OEM appliance intakes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eConstruction\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMedia\u003c\/strong\u003e — bonded aluminum: layers of aluminum slit and expanded into mesh of differing densities, then bonded into a solid pad of tiny baffles\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrame\u003c\/strong\u003e — sheet aluminum 3003-H14, .020 thickness, roll formed and riveted at one corner\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eResistance when clean\u003c\/strong\u003e — .04″ w.g. at 350 FPM\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAverage arrestance\u003c\/strong\u003e — 71.5%\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDust holding capacity\u003c\/strong\u003e — 90.8 grams per foot (204 grams per 2.25 sq ft on a 20x20)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum temperature\u003c\/strong\u003e — 225°F\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRust resistant, washable, reusable\u003c\/strong\u003e — no replacement cycle\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis is a low-resistance equipment-protection filter, not an air-quality filter. It is built to stop lint, hair, grease-borne debris and large dust before they reach a fan wheel, coil or heat exchanger, while costing the airflow almost nothing. If you need particulate capture, pair it with a pleated filter downstream rather than replacing it.\u003c\/p\u003e\n\u003ch3\u003eSize limits — read this before ordering\u003c\/h3\u003e\n\u003cp\u003eThe Bonded “A” is made to order, and its limit is \u003cstrong\u003earea\u003c\/strong\u003e, not a fixed size chart:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum 550 square inches\u003c\/strong\u003e (length × width)\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eMaximum width 24″\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eSized to the nearest 1\/8″\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe size fields on this page accept up to 23″ × 23″, which is inside the 550 sq. in. limit in every combination. If you need a panel that uses the full 24″ width, or a long-and-narrow shape that stays under 550 sq. in. but exceeds 23″ on one side, \u003ca href=\"\/pages\/contact-us\"\u003econtact us\u003c\/a\u003e and we will place it for you. Anything larger than 550 sq. in. has to be split into multiple panels — we will lay that out with you.\u003c\/p\u003e\n\u003ch3\u003eHow to order\u003c\/h3\u003e\n\u003cp\u003eMeasure your opening to the nearest 1\/8″ and enter length × width above, then pick your depth. If you are replacing an existing filter, measure the filter itself rather than the housing. A quick photo of the old pad or the opening lets us confirm before production — \u003ca href=\"\/pages\/contact-us\"\u003esend it over\u003c\/a\u003e if you are unsure. Our \u003cstrong\u003eFilter Fit Guarantee\u003c\/strong\u003e means if you measure wrong, we remake the filter at no additional cost.\u003c\/p\u003e\n\u003ch3\u003eCare and maintenance\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eRinse every 30–60 days with warm water from the downstream side\u003c\/li\u003e\n\u003cli\u003eMild dish detergent for grease loading — kitchen and hood applications will need it\u003c\/li\u003e\n\u003cli\u003eLet it air-dry completely before reinstalling\u003c\/li\u003e\n\u003cli\u003eNote the airflow-direction arrow before removing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAlso worth considering\u003c\/h3\u003e\n\u003cp\u003eNeed 1\/2″ or deeper in the same washable aluminum family? See our \u003ca href=\"\/products\/custom-size-mech-8-aluminum-rust-resistant-washable-permanent-filter\"\u003eCustom Size Mech 8\u003c\/a\u003e, \u003ca href=\"\/products\/custom-size-thrift-aire-aluminum-rust-resistant-washable-permanent-filter\"\u003eCustom Size Thrift Aire\u003c\/a\u003e, and \u003ca href=\"\/products\/custom-size-electrostatic-aluminum-rust-resistant-washable-permanent-filter\"\u003eCustom Size Electrostatic\u003c\/a\u003e permanent filters, which run 1\/2″ through 4″ and up to 25″ × 30″.\u003c\/p\u003e\n\u003ch3\u003eQuestions on fit, quantity, or a commercial quote?\u003c\/h3\u003e\n\u003cp\u003eRunning a kitchen, a facility, or a fleet of the same unit? \u003ca href=\"\/pages\/contact-us\"\u003eGet in touch\u003c\/a\u003e — we handle facilities and commercial orders daily, and repeat thin-pad sizes are exactly the kind of order we can price better than a distributor.\u003c\/p\u003e","brand":"Smith Filter Corporation","offers":[{"title":"1\/8\" Depth","offer_id":44193933557882,"sku":null,"price":109.99,"currency_code":"USD","in_stock":true},{"title":"1\/4\" Depth","offer_id":44193933590650,"sku":null,"price":109.99,"currency_code":"USD","in_stock":true},{"title":"5\/16\" Depth","offer_id":44193933623418,"sku":null,"price":109.99,"currency_code":"USD","in_stock":true},{"title":"3\/8\" Depth","offer_id":44193933656186,"sku":null,"price":109.99,"currency_code":"USD","in_stock":true},{"title":"7\/16\" Depth","offer_id":44193933688954,"sku":null,"price":109.99,"currency_code":"USD","in_stock":true},{"title":"1\/2\" Depth","offer_id":44193933721722,"sku":null,"price":109.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/Bonded-A-Aluminum-Permanent-Filter.jpg?v=1787500089","url":"https:\/\/www.rememberthefilter.com\/products\/custom-size-bonded-a-aluminum-rust-resistant-washable-permanent-filter","provider":"RememberTheFilter.com","version":"1.0","type":"link"}