{"version":"1.0","provider_name":" Asthma & Allergy Friendly Certification Program","provider_url":"https:\/\/asthmaandallergyfriendly.com\/USA","author_name":"admin-aaafcp","author_url":"https:\/\/asthmaandallergyfriendly.com\/USA\/author\/admin-aaafcp\/","title":"How to Buy an Air Purifier","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"yOvDddZ88W\"><a href=\"https:\/\/asthmaandallergyfriendly.com\/USA\/how-to-buy-an-air-purifier\/\">How to Buy an Air Purifier<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/asthmaandallergyfriendly.com\/USA\/how-to-buy-an-air-purifier\/embed\/#?secret=yOvDddZ88W\" width=\"600\" height=\"338\" title=\"&#8220;How to Buy an Air Purifier&#8221; &#8212;  Asthma &amp; Allergy Friendly Certification Program\" data-secret=\"yOvDddZ88W\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script>\n\/*! This file is auto-generated *\/\n!function(d,l){\"use strict\";l.querySelector&&d.addEventListener&&\"undefined\"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!\/[^a-zA-Z0-9]\/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret=\"'+t.secret+'\"]'),o=l.querySelectorAll('blockquote[data-secret=\"'+t.secret+'\"]'),c=new RegExp(\"^https?:$\",\"i\"),i=0;i<o.length;i++)o[i].style.display=\"none\";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute(\"style\"),\"height\"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):\"link\"===t.message&&(r=new URL(s.getAttribute(\"src\")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener(\"message\",d.wp.receiveEmbedMessage,!1),l.addEventListener(\"DOMContentLoaded\",function(){for(var e,t,s=l.querySelectorAll(\"iframe.wp-embedded-content\"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute(\"data-secret\"))||(t=Math.random().toString(36).substring(2,12),e.src+=\"#?secret=\"+t,e.setAttribute(\"data-secret\",t)),e.contentWindow.postMessage({message:\"ready\",secret:t},\"*\")},!1)))}(window,document);\n\/\/# sourceURL=https:\/\/asthmaandallergyfriendly.com\/USA\/wp-includes\/js\/wp-embed.min.js\n<\/script>\n","description":"An air filtration machine (which manufacturers often call a &#8220;purifier&#8221;) may help remove irritants from the air. But not all models are that useful \u2014 or even healthy. What to consider \u2014 and avoid \u2014 when shopping. What to Look For CADR (clean air delivery rate) delineates the maximum square footage recommended in which to [...]"}