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A check valve is commonly referred to as a non-return valve. The Atlantic Blowers check valve has two openings. One is for the air to flow through and the other is for air to exit. Forward air flow will not be blocked but the inner flaps will block reverse air flow. This protects the blower from sucking any liquids or solids back through the blower. For Use With:<ul style="margin-top:0px;padding-top: 5px: padding-bottom: 5px;">AB-300, AB-400, AB-500, AB-600, AB-700, AB-502, AB-602, AB-702, AB-802, AB-902, AB-1002, AB-301</li></ul>

Atlantic Blowers Check Valve AB-30003, 2&quot;

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