NX-3720HG/3820HG/3920HG/3921HG<-- Go BackNX-3720HG/3820HG/3920HG/3921HGSKU: Full DescriptionSpecificationsProduct Sheets NX-3720HG/3820HG/3920HG/3921HG - Product SheetProduct Inquiry Contact Us Name * Last Name * Email * Phone * Preferred Method of Contact * Email Phone Company Message * Captcha If you are human, leave this field blank. Submit