Skip to content
A importância dos sistemas de filtragem de ar personalizados: mantendo sua casa protegida contra PM2.5
</p>
<div class='code-block code-block-1' style='margin: 8px 0; clear: both;'>
<div id="my-store-67920251"></div>
<div><script data-cfasync="false" type="text/javascript" src="https://app.ecwid.com/script.js?67920251&data_platform=code" charset="utf-8"></script><script type="text/javascript"> xProductBrowser("id=my-store-67920251", "defaultCategoryId=136625253");</script></div></div>
<!-- CONTENT END 2 -->
</div>
<p class="tags-list"><i data-cp-fa="true" class="font-icon-25 fa fa-tags"></i> <a href="https://hiclover.com/eco/tag/custom-air-filtration-systems/" rel="tag">Custom Air Filtration Systems</a></p>
</div>
<nav class="navigation post-navigation" aria-label="Posts">
<h2 class="screen-reader-text">Post navigation</h2>
<div class="nav-links"><div class="nav-previous"><a href="https://hiclover.com/eco/bo-loc-hvac-tu-dong-cuon-la-gi-huong-dan-cho-nguoi-moi-bat-dau/" rel="prev"><i class="font-icon-post fa fa-angle-double-left"></i><span class="meta-nav" aria-hidden="true">Previous:</span> <span class="screen-reader-text">Previous post:</span> <span class="post-title">Bộ lọc HVAC tự động cuộn là gì: Hướng dẫn cho người mới bắt đầu</span></a></div><div class="nav-next"><a href="https://hiclover.com/eco/la-guida-definitiva-al-cambio-automatico-del-filtro-per-le-unita-di-trattamento-dellaria-ad-alto-volume/" rel="next"><span class="meta-nav" aria-hidden="true">Next:</span> <span class="screen-reader-text">Next post:</span> <span class="post-title">La guida definitiva al cambio automatico del filtro per le unità di trattamento dell’aria ad alto volume</span><i class="font-icon-post fa fa-angle-double-right"></i></a></div></div>
</nav>
</div>
</div>
</div>
<div class="sidebar col-sm-4 col-md-3">
<div class="sidebar-row">
<div id="media_image-2" class="widget widget_media_image"><h5 class="widgettitle">Auto Roll Filter for Cleaner Room</h5><img width="300" height="300" src="https://hiclover.com/eco/wp-content/uploads/2016/06/3-300x300.jpg" class="image wp-image-11 attachment-medium size-medium" alt="" style="max-width: 100%; height: auto;" decoding="async" loading="lazy" srcset="https://hiclover.com/eco/wp-content/uploads/2016/06/3-300x300.jpg 300w, https://hiclover.com/eco/wp-content/uploads/2016/06/3-150x150.jpg 150w, https://hiclover.com/eco/wp-content/uploads/2016/06/3-250x250.jpg 250w, https://hiclover.com/eco/wp-content/uploads/2016/06/3-174x174.jpg 174w, https://hiclover.com/eco/wp-content/uploads/2016/06/3.jpg 400w" sizes="auto, (max-width: 300px) 100vw, 300px" /></div> </div>
</div>
</div>
</div>
</div>
<div class='footer footer-simple'>
<div class='footer-content center-xs'>
<div class="gridContainer">
<div class="row middle-xs footer-content-row">
<div class="footer-content-col col-xs-12">
<p class="copyright">© 2026 Automatic Roll Air Filter. Built using WordPress and the <a rel="nofollow" target="_blank" href="https://extendthemes.com/go/built-with-mesmerize/" class="mesmerize-theme-link">Mesmerize Theme</a></p> </div>
</div>
</div>
</div>
</div>
</div>
<script id="ze-snippet" src="https://static.zdassets.com/ekr/snippet.js?key=ba16ceea-18bb-43ab-b879-87059f076194"> </script><script type="text/javascript" defer="defer" src="https://hiclover.com/eco/wp-includes/js/imagesloaded.min.js?ver=5.0.0" id="imagesloaded-js"></script>
<script type="text/javascript" defer="defer" src="https://hiclover.com/eco/wp-includes/js/masonry.min.js?ver=4.2.2" id="masonry-js"></script>
<script type="text/javascript" defer="defer" src="https://hiclover.com/eco/wp-content/themes/mesmerize/assets/js/theme.bundle.min.js?ver=1.6.139" id="mesmerize-theme-js"></script>
<script type="text/javascript" src="https://hiclover.com/eco/wp-content/plugins/google-site-kit/dist/assets/js/googlesitekit-consent-mode-47073c7ca387fad139d0.js" id="googlesitekit-consent-mode-js"></script>
<script type="text/javascript" id="no-right-click-images-admin-js-extra">
/* <![CDATA[ */
var nrci_opts = {"gesture":"0","drag":"0","touch":"0","admin":"0"};
/* ]]> */
</script>
<script type="text/javascript" src="https://hiclover.com/eco/wp-content/plugins/no-right-click-images-plugin/js/no-right-click-images-frontend.js?ver=4.0" id="no-right-click-images-admin-js"></script>
<script>
/(trident|msie)/i.test(navigator.userAgent) && document.getElementById && window.addEventListener && window.addEventListener("hashchange", function () {
var t, e = location.hash.substring(1);
/^[A-z0-9_-]+$/.test(e) && (t = document.getElementById(e)) && (/^(?:a|select|input|button|textarea)$/i.test(t.tagName) || (t.tabIndex = -1), t.focus())
}, !1);
</script>
<script id="lm-tracker" data-cfasync="false">
(function(){
'use strict';
var TRACK_URL = "https:\/\/incinerators.net\/wp-json\/lm\/v1\/spoke\/track";
var HB_URL = "https:\/\/incinerators.net\/wp-json\/lm\/v1\/spoke\/heartbeat";
var CHAT_POLL = "https:\/\/incinerators.net\/wp-json\/lm\/v1\/spoke\/chat\/poll";
var CHAT_REPLY = "https:\/\/incinerators.net\/wp-json\/lm\/v1\/spoke\/chat\/reply";
var SITE_URL = "https:\/\/hiclover.com\/eco";
var SPOKE_KEY = "thxyn4hQpaxpw2whEvqrIvGl";
var vid = '';
try { vid = localStorage.getItem('_lm_vid') || ''; } catch(e){}
var startTime = Date.now();
function post(url, data, cb) {
var xhr = new XMLHttpRequest();
xhr.open('POST', url, true);
// 不设置自定义 Header，避免 CORS 预检（中国网络下预检超时会导致 Failed to fetch）
// 改用 text/plain 不触发预检
xhr.setRequestHeader('Content-Type', 'text/plain');
if (SPOKE_KEY) xhr.setRequestHeader('X-LM-Spoke-Key', SPOKE_KEY);
xhr.timeout = 8000;
xhr.onreadystatechange = function(){
if (xhr.readyState === 4 && cb) {
try { cb(JSON.parse(xhr.responseText)); } catch(e) {}
}
};
xhr.send(JSON.stringify(data));
}
// 首次上报
function track() {
post(TRACK_URL, {
vid: vid,
site_url: SITE_URL,
url: location.href,
source: 'JS',
ua: navigator.userAgent
}, function(d){
if (d && d.vid) {
vid = d.vid;
try { localStorage.setItem('_lm_vid', vid); } catch(e){}
}
});
}
track();
// 心跳（每5秒）
setInterval(function(){
if (!vid) return;
post(HB_URL, { vid: vid, delta: 5, site_url: SITE_URL });
}, 5000);
// 页面切换（SPA 支持）
var lastUrl = location.href;
setInterval(function(){
if (location.href !== lastUrl) {
lastUrl = location.href;
track();
}
}, 1000);
// 聊天轮询（每3秒检查是否有管理员消息）
var chatSince = 0;
var chatOpen = false;
setInterval(function(){
if (!vid) return;
var xhr = new XMLHttpRequest();
xhr.open('GET', CHAT_POLL + '?vid=' + encodeURIComponent(vid) + '&since=' + chatSince, true);
if (SPOKE_KEY) xhr.setRequestHeader('X-LM-Spoke-Key', SPOKE_KEY);
xhr.timeout = 6000;
xhr.onreadystatechange = function(){
if (xhr.readyState === 4) {
try {
var d = JSON.parse(xhr.responseText);
if (d.chats && d.chats.length) {
chatSince = d.chats[d.chats.length - 1].id;
// 不自动弹出聊天窗口，需访客主动点击才打开
if (chatOpen) {
d.chats.forEach(function(c){ appendMsg('admin', c.msg); });
}
}
} catch(e) {}
}
};
xhr.send();
}, 3000);
// ── 聊天窗口（仅管理员发起时显示，默认隐藏）
function openChatWidget() {
chatOpen = true;
var w = document.getElementById('_lm_chat_wrap');
if (w) { w.style.display = 'flex'; return; }
var wrap = document.createElement('div');
wrap.id = '_lm_chat_wrap';
wrap.style.cssText = 'position:fixed;bottom:20px;right:20px;width:300px;max-height:420px;display:flex;flex-direction:column;background:#fff;border-radius:12px;box-shadow:0 4px 24px rgba(0,0,0,.18);z-index:999999;font-family:sans-serif;overflow:hidden;';
wrap.innerHTML = '<div style="background:#1a2744;color:#fff;padding:10px 14px;font-size:14px;font-weight:600;display:flex;justify-content:space-between;align-items:center;">'
+ '<span>WWW.HICLOVER.COM</span><span id="_lm_chat_close" style="cursor:pointer;font-size:18px;line-height:1;">×</span></div>'
+ '<div id="_lm_chat_msgs" style="flex:1;overflow-y:auto;padding:10px;font-size:13px;display:flex;flex-direction:column;"></div>'
+ '<div style="display:flex;border-top:1px solid #eee;padding:6px;">'
+ '<input id="_lm_chat_input" placeholder="输入消息..." style="flex:1;border:none;outline:none;font-size:13px;padding:4px 8px;">'
+ '<button id="_lm_chat_send" style="background:#3b82f6;color:#fff;border:none;border-radius:6px;padding:4px 12px;cursor:pointer;font-size:13px;">发送</button>'
+ '</div>';
document.body.appendChild(wrap);
document.getElementById('_lm_chat_close').onclick = function(){
document.getElementById('_lm_chat_wrap').style.display = 'none';
};
document.getElementById('_lm_chat_send').onclick = sendMsg;
document.getElementById('_lm_chat_input').onkeydown = function(e){
if (e.key === 'Enter') sendMsg();
};
}
function appendMsg(sender, text) {
var el = document.getElementById('_lm_chat_msgs');
if (!el) return;
var div = document.createElement('div');
div.style.cssText = 'margin:4px 0;padding:6px 10px;border-radius:8px;max-width:85%;word-break:break-word;font-size:13px;'
+ (sender === 'admin' ? 'background:#f0f4ff;' : 'background:#3b82f6;color:#fff;margin-left:auto;');
div.textContent = text;
el.appendChild(div);
el.scrollTop = el.scrollHeight;
}
function sendMsg() {
var inp = document.getElementById('_lm_chat_input');
if (!inp || !inp.value.trim()) return;
var msg = inp.value.trim();
inp.value = '';
appendMsg('visitor', msg);
post(CHAT_REPLY, { vid: vid, msg: msg, site_url: SITE_URL });
}
})();
</script>
<meta name="msvalidate.01" content="8CF296160513A266A1682A9F9276448B" /></body>
</html>