{"version":"1.0","provider_name":"GroupScience","provider_url":"https:\/\/shop.groupscience.gr\/en\/","author_name":"kzahariou","author_url":"https:\/\/shop.groupscience.gr\/en\/author\/kzahariou\/","title":"HVAC attenuators","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"8UkF4xjvpC\"><a href=\"https:\/\/shop.groupscience.gr\/en\/product\/hvac-attenuators\/\">HVAC attenuators<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/shop.groupscience.gr\/en\/product\/hvac-attenuators\/embed\/#?secret=8UkF4xjvpC\" width=\"600\" height=\"338\" title=\"&#8220;HVAC attenuators&#8221; &#8212; GroupScience\" data-secret=\"8UkF4xjvpC\" 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:\/\/shop.groupscience.gr\/_w\/wp-includes\/js\/wp-embed.min.js\n<\/script>\n","thumbnail_url":"https:\/\/shop.groupscience.gr\/_w\/wp-content\/uploads\/2020\/10\/attenuator2.png","thumbnail_width":450,"thumbnail_height":335,"description":"We design\u00a0and manufacture\u00a0duct attenuators in response to specific requirements from acoustical consultants, consulting engineers, owners and contractors. Our duct silencers provide the most economical choice for solving the wide diversity of noise control problems encountered in HVAC engineering. Standard rectangular duct attenuator cross sections range from 150mm x 150mm\u00a0to 1200mm x 1200mm. For small mains, [&hellip;]"}