{"id":1106,"date":"2025-08-28T10:38:28","date_gmt":"2025-08-28T10:38:28","guid":{"rendered":"https:\/\/ecvents.com\/?post_type=product&p=1106"},"modified":"2026-05-15T06:52:09","modified_gmt":"2026-05-15T11:52:09","slug":"%d9%84%d9%88%d8%ad%d8%a9-%d9%85%d8%b1%d9%88%d8%ad%d8%a9-%d8%b9%d9%88%d8%a7%d8%af%d9%85-%d9%86%d8%a7%d9%81%d8%b0%d8%a9-%d8%a7%d9%84%d8%ac%d8%af%d8%a7%d8%b1-j","status":"publish","type":"product","link":"https:\/\/www.ecvents.com\/ar\/product\/%d9%84%d9%88%d8%ad%d8%a9-%d9%85%d8%b1%d9%88%d8%ad%d8%a9-%d8%b9%d9%88%d8%a7%d8%af%d9%85-%d9%86%d8%a7%d9%81%d8%b0%d8%a9-%d8%a7%d9%84%d8%ac%d8%af%d8%a7%d8%b1-j\/","title":{"rendered":"\u0645\u0631\u0648\u062d\u0629 \u0627\u0644\u0639\u0627\u062f\u0645 \u0639\u0644\u0649 \u0627\u0644\u062d\u0627\u0626\u0637 \u0645\u0639 \u062c\u0647\u0627\u0632 \u062a\u062d\u0643\u0645 \u0639\u0646 \u0628\u0639\u062f\u060c KCVents 4\/6 \u0628\u0648\u0635\u0629 \u062a\u062f\u0641\u0642 \u0647\u0648\u0627\u0621 \u0642\u0627\u0628\u0644 \u0644\u0644\u0639\u0643\u0633 \u0623\u0648 \u0645\u062e\u0645\u062f \u062e\u0644\u0641\u064a"},"content":{"rendered":"
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1) Quick Comparison: Reversible vs Backdraft Damper<\/h3>\n

Choose the version that matches your ventilation goal. If you need both\u00a0intake and exhaust<\/strong>, pick\u00a0Reversible Airflow<\/strong>. If you only need\u00a0one-way exhaust<\/strong>\u00a0and want to reduce backflow, pick\u00a0Backdraft Damper<\/strong>.<\/p>\n

\n\n\n\n\n\n\n\n\n\n\n\n\n
Item<\/th>\nReversible Airflow Version<\/th>\nBackdraft Damper Version<\/th>\n<\/tr>\n<\/thead>\n
Airflow direction<\/td>\nReversible (Intake \u2194 Exhaust)<\/td>\nExhaust-only<\/td>\n<\/tr>\n
Backdraft damper<\/td>\nNo<\/td>\nYes (helps prevent backflow; helps block insects)<\/td>\n<\/tr>\n
Best for<\/td>\nRooms that need fresh-air intake\u00a0and<\/em>\u00a0exhaust flexibility<\/td>\nBathrooms\/kitchens\/garages where one-way exhaust is preferred<\/td>\n<\/tr>\n
Control<\/td>\nRemote control (version-dependent)<\/td>\nRemote control or wall switch (version-dependent)<\/td>\n<\/tr>\n
Speed control<\/td>\n5-stage variable speed<\/td>\n5-stage variable speed<\/td>\n<\/tr>\n
Motor<\/td>\nEC motor<\/td>\nEC motor<\/td>\n<\/tr>\n
Noise<\/td>\nLow-noise operation<\/td>\nLow-noise operation<\/td>\n<\/tr>\n
Power (same size comparison)<\/td>\nHigher power<\/strong>\u00a0(see model table)<\/td>\nLower power<\/strong>\u00a0(see model table)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
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2) Shared Specifications<\/h3>\n

These specifications apply to both versions (Reversible Airflow and Backdraft Damper):<\/p>\n

\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Shared Item<\/th>\nSpecification<\/th>\n<\/tr>\n<\/thead>\n
Brand<\/td>\nKCVENTS<\/td>\n<\/tr>\n
Installation<\/td>\nWall \/ Window mounting (wall-mounted)<\/td>\n<\/tr>\n
Application<\/td>\nHotel, Industrial, RV, Garage, Household<\/td>\n<\/tr>\n
Function<\/td>\nExhaust ventilation (with version-specific airflow direction)<\/td>\n<\/tr>\n
Housing material<\/td>\nPlastic \/ ABS (ABS housing on reversible version icons)<\/td>\n<\/tr>\n
Motor type<\/td>\nEC motor (energy-saving)<\/td>\n<\/tr>\n
Speed control<\/td>\n5-stage speed regulation<\/td>\n<\/tr>\n
Noise level<\/td>\n\u2264 40 dB<\/td>\n<\/tr>\n
App control<\/td>\nNo<\/td>\n<\/tr>\n
Operating language<\/td>\nEnglish<\/td>\n<\/tr>\n
Warranty<\/td>\n3 years<\/strong><\/td>\n<\/tr>\n
Origin<\/td>\nGuangdong, China<\/td>\n<\/tr>\n
Customization<\/td>\nLogo\/graphic customization: 3D printing<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
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3) Model Tables for Order Confirmation<\/h3>\n

Use the tables below to confirm the exact model you\u2019re selecting (size, power, airflow, and version).<\/p>\n

A) Reversible Airflow Models (Reversible Direction)<\/h4>\n
\n\n\n\n\n\n\n
Model<\/th>\nSize (inch)<\/th>\nVoltage<\/th>\nEC Motor Power (W)<\/th>\nAirflow (m\u00b3\/h)<\/th>\nNotes<\/th>\n<\/tr>\n<\/thead>\n
APC10-J-Reversible<\/strong><\/td>\n4″<\/td>\n80\u2013245V, 50\u201360Hz<\/td>\n10W<\/strong><\/td>\n100<\/strong><\/td>\nReversible airflow;\u00a070-second automatic cycle<\/strong>; 5-stage speed control<\/td>\n<\/tr>\n
APC15-J-Reversible<\/strong><\/td>\n6″<\/td>\n80\u2013245V, 50\u201360Hz<\/td>\n10W<\/strong><\/td>\n230<\/strong><\/td>\nReversible airflow;\u00a070-second automatic cycle<\/strong>; 5-stage speed control<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

B) Backdraft Damper Models (Exhaust-Only + Anti-Backflow)<\/h4>\n
\n\n\n\n\n\n\n
Model<\/th>\nSize (inch)<\/th>\nVoltage<\/th>\nEC Motor Power (W)<\/th>\nAirflow (m\u00b3\/h)<\/th>\nNotes<\/th>\n<\/tr>\n<\/thead>\n
APC10-J<\/strong><\/td>\n4″<\/td>\n220V<\/td>\n4W<\/strong><\/td>\n90<\/strong><\/td>\nExhaust-only;\u00a0Backdraft Damper<\/strong><\/td>\n<\/tr>\n
APC15-J<\/strong><\/td>\n6″<\/td>\n(not provided)<\/td>\n5W<\/strong><\/td>\n180<\/strong><\/td>\nExhaust-only;\u00a0Backdraft Damper<\/strong><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

\ud83c\udf2c\ufe0f Standard Version (e.g., APC-C-EC \/ Thermostatic Quiet \/ Wired Switch)<\/h3>\n

\u2705 Main Function:<\/strong> One-way exhaust<\/p>\n

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    \ud83c\udfe0 Removes indoor air containing odors, humidity, smoke, or pollutants<\/p>\n<\/li>\n

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    \ud83d\udeaa Expels indoor air outdoors to improve indoor air quality<\/p>\n<\/li>\n

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    \ud83d\udca8 Think of it as a one-way \u201cair transporter\u201d: it only pushes indoor air out<\/p>\n<\/li>\n

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    \ud83c\udf73 Example: After cooking, it can remove cooking fumes and smoke, but cannot bring fresh outdoor air in<\/strong><\/p>\n<\/li>\n<\/ul>\n

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    \ud83d\udd04 Reversible Version (e.g., APC-C-EC \/ Reversible Model)<\/h3>\n

    \u2705 Main Function:<\/strong> Bidirectional airflow (Exhaust & Intake)<\/p>\n

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      \ud83c\udfe0 Expels indoor polluted air like the standard version<\/strong><\/p>\n<\/li>\n

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      \ud83c\udf3f Can reverse to bring fresh outdoor air indoors for two-way circulation<\/p>\n<\/li>\n

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      \ud83d\udca8 Example: When indoor air feels stuffy, switch to reverse mode to bring in fresh air<\/p>\n<\/li>\n

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      \ud83d\udd04 Normal mode still works as standard exhaust to remove indoor waste air<\/p>\n<\/li>\n<\/ul>\n

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      \ud83d\udca1 Tips for Users:<\/h3>\n
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        Perfect for kitchens, bathrooms, or any indoor space needing air quality improvement<\/strong><\/p>\n<\/li>\n

      • \n

        Reversible version provides flexible ventilation<\/strong>, improving both air freshness and comfort<\/p>\n<\/li>\n<\/ul>\n

        \ud83d\udd39 Additional Notes:<\/strong><\/p>\n

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          Ideal for wall or window installation<\/p>\n<\/li>\n

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          Suitable for residential, commercial, or industrial ventilation<\/p>\n<\/li>\n

        • \n

          Reversible model enhances indoor air circulation flexibility<\/p>\n<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

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          • \u0623\u0646\u0648\u0627\u0639 \u0642\u0627\u0628\u0633 \u0645\u062a\u0639\u062f\u062f\u0629: \u0627\u0644\u0648\u0644\u0627\u064a\u0627\u062a \u0627\u0644\u0645\u062a\u062d\u062f\u0629 \/ \u0627\u0644\u0627\u062a\u062d\u0627\u062f \u0627\u0644\u0623\u0648\u0631\u0648\u0628\u064a \/ \u0627\u0644\u0645\u0645\u0644\u0643\u0629 \u0627\u0644\u0645\u062a\u062d\u062f\u0629 \/ \u0627\u0644\u0627\u062a\u062d\u0627\u062f \u0627\u0644\u0623\u0641\u0631\u064a\u0642\u064a (\u062d\u062f\u062f \u0639\u0646\u062f \u0627\u0644\u062e\u0631\u0648\u062c)<\/li>\n<\/ul>","protected":false},"featured_media":3913,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_gspb_post_css":""},"product_brand":[62],"product_cat":[28],"product_tag":[31,30,29,34,32,33],"class_list":{"0":"post-1106","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_brand-kcvents","7":"product_cat-exhaust-fan","8":"product_tag-backdraft-damper","9":"product_tag-durable-abs-housing","10":"product_tag-energy-efficient-ec-motor","11":"product_tag-low-noise-operation","12":"product_tag-reversible-airflow","13":"product_tag-variable-speed-control","15":"first","16":"instock","17":"taxable","18":"shipping-taxable","19":"purchasable","20":"product-type-variable","21":"has-default-attributes"},"acf":[],"_links":{"self":[{"href":"https:\/\/www.ecvents.com\/ar\/wp-json\/wp\/v2\/product\/1106","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ecvents.com\/ar\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.ecvents.com\/ar\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ecvents.com\/ar\/wp-json\/wp\/v2\/comments?post=1106"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.ecvents.com\/ar\/wp-json\/wp\/v2\/media\/3913"}],"wp:attachment":[{"href":"https:\/\/www.ecvents.com\/ar\/wp-json\/wp\/v2\/media?parent=1106"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.ecvents.com\/ar\/wp-json\/wp\/v2\/product_brand?post=1106"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.ecvents.com\/ar\/wp-json\/wp\/v2\/product_cat?post=1106"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.ecvents.com\/ar\/wp-json\/wp\/v2\/product_tag?post=1106"}],"curies":[{"name":"\u0627\u0644\u0641\u0633\u0641\u0648\u0631 \u0627\u0644\u0623\u0628\u064a\u0636","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}