4 spring check valve for sale, brand-new and used.

This is for a BRAND NEW MDF 787XP Neo Infant and Neonatal Stainless Steel Stethoscope. The MDF NEO > Infant + Neonatal Stethoscope is specifically handcrafted for infant and newborn patients. It delivers accurate auscultation of heart, lung, and Korotkoff sounds with acoustic integrity and clarity.

This is for a BRAND NEW MDF 767XK Deluxe 22K Sprague Rappaport X Gold Stethoscope. The MDF Deluxe Sprague Rappaport X Stethoscope 22K Gold Edition with X-configuration dual-lumen acoustic tubing is the most advanced Sprague Rappaport used by healthcare professionals. Similar to the MDF 767 Sprague Rappaport, it is five stethoscopes in one for a full range of diagnostic applications and is traditionally trusted to detect faint heart sounds and murmurs.

This is for a BRAND NEW MDF 797 Classic Cardiology Premium Stainless Steel Stethoscope. Constructed from premium-grade acoustically-superior stainless steel, the MDF® Classic Cardiology™ Stethoscope delivers accurate auscultation of heart, lung, and Korotkoff sounds with acoustic integrity and clarity. An ergonomic design ensures comfort for the doctor and patient, even during extended use.

This is for a BRAND NEW MDF 767X Deluxe Sprague Rappaport X Stethoscope w/ dual-lumen acoustic tubing. The MDF Deluxe Sprague Rappaport X Stethoscope with X-configuration dual-lumen acoustic tubing is the most advanced Sprague Rappaport used by healthcare professionals. Similar to the MDF 767 Sprague Rappaport, it is five stethoscopes in one for a full range of diagnostic applications and is traditionally trusted to detect faint heart sounds and murmurs.

This is for a BRAND NEW MDF 777K MD One 22K Premier Edition Stainless Steel Stethoscope. Constructed from acoustically-superior stainless steel, the MDF MD One Stethoscope delivers accurate auscultation of heart, lung, and sounds with acoustic integrity and clarity. An ergonomic design ensures comfort for the doctor and patient, even during extended use.

This is for a BRAND NEW MDF 797DD ER Premier Black Adult and Pediatric Stethoscope. ER Premier is a robust and versatile stethoscope with superior acoustic quality that enables emergency physicians and first responders to deliver fast and efficient emergency care to both pediatric and adult patients using just one stethoscope.

This is for a BRAND NEW MDF ProCardial C3 MALIBLU Critical Cardiac Care Edition Stethoscope. The patented MDF ProCardial C3 Stethoscope stands alone among all cardiology stethoscopes. With the six included conversion attachments, this stethoscope can be easily transformed into nine different configurations, including a complete adult, pediatric, or infant cardiology stethoscope.

This is for a BRAND NEW MDF ProCardial C3 NOIRNOIR Critical Cardiac Care Edition Stethoscope. The patented MDF ProCardial C3 Stethoscope stands alone among all cardiology stethoscopes. With the six included conversion attachments, this stethoscope can be easily transformed into nine different configurations, including a complete adult, pediatric, or infant cardiology stethoscope.

This is for a BRAND NEW MDF 797DDK ER Premier Black 22K Gold Adult and Pediatric Stethoscope. The MDF 22K Gold Edition ER Premier is a robust and versatile stethoscope with superior acoustic quality that enables emergency physicians and first responders to deliver fast and efficient emergency care to both pediatric and adult patients using just one stethoscope.

This is for a BRAND NEW MDF 787E Singularis VIVO Pack of 10 Single Patient Use Disposable Stethoscope. Every professional-grade instrument needs to perform like one. That is why we have developed the world's first premium, single-patient, non-cross contaminant stethoscope.

This is for a BRAND NEW MD77 PINK MD One Premier Diagnostic Stainless Steel Stethoscope. Constructed from acoustically-superior stainless steel, the MDF® MD One™ Stethoscope delivers accurate auscultation of heart, lung, and sounds with acoustic integrity and clarity. An ergonomic design ensures comfort for the doctor and patient, even during extended use.

Up for sale is the following: Dorma 8616 IS FC SNB1 689 Door Closer NIB Dorma Model 8616Tri-Mount Non-Hold Open Achitectural Door Closer Application Exterior or Interior Doors Adjustable Size 1 thru 6 Non-Hold Open ANSI/BHMA A156.4, Grade 1 certified UL listed UL10C compliant for positive pressure HandingNon-handed Finish689 Sprayed Aluminum 8600 Series OverviewThe 8600 Series closer represents the latest in door control technology, designed to exceed the demands of today's buildings.

SUGGESTED ARCHITECTURAL SPECIFICATIONS The American Eagle 7100 Series features a full rack and pinion construction, heavy duty cast iron closer body, forged steel main arm and full architectural cover. Hydraulic control is accomplished through separate hex key non-critical sweep, latch and backcheck valve adjustments. A Backcheck positioning valve provides consistent backcheck range on parallel arm applications.

CRL Surface Door Closer PR80 Series PR82BFA Barrier Free Size 1 Through 4 – NEW Welcome to our eBay store! This is a CRL Surface Door Closer PR80 Series Model PR82BFA. Item is BRAND NEW.

Never Used Commercial Door Closer from Norton Model 8501, been sitting in my shed. Box holding it is tethered. ADA Compliant Adjustable Spring Sizes 1-6 Institutional Door Closer with Full Cover Norton Door Controls offers traditional surface, industrial economy, overhead concealed, security, commercial, architectural, electromechanical and electrified closers.