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The Knape and Vogt MUV 21-inch undermount drawer slide delivers full-extension travel and integrated soft-close action for drawer boxes built with 3/4-inch sides. Concealed beneath the drawer box and rated at 75 lb per pair, this slide suits both face-frame and frameless cabinet construction.
Kitchen base cabinets are the proving ground for any undermount slide: drawers loaded with pots, utensils, and canned goods cycle hundreds of times a year. At 75 lb capacity and full extension, this MUV slide handles that daily workload while keeping the interior of the cabinet clean — no exposed hardware on the sides of the drawer box when it is open. Bath vanity drawers and utility cabinet pull-outs benefit from the same combination. The integrated soft-close is especially useful in busy kitchens and in cabinetry near bedrooms, where a self-slamming drawer is a constant irritant. Because the slide fits both face-frame and frameless construction, it is practical for shops running mixed cabinet programs or for contractors working in renovation environments where the existing cabinet style varies room to room.
The MUV slide is steel with a zinc finish, the standard corrosion-resistant finish for concealed cabinet hardware in dry indoor environments. The undermount position keeps the slide out of sight and out of contact with the drawer box sides, so the zinc finish is protected in normal use. The drawer box must be built to the MUV program's published specification: 21-inch nominal length, 3/4-inch side thickness, and the required rear notch and locking-device drilling. The soft-close mechanism is integrated into the slide — there is no separate damper to add or align after installation.
This 21-inch model is the right choice when the cabinet interior depth calls for a 21-inch slide length and the drawer box is built with 3/4-inch sides. Cabinet shops producing frameless Euro-style casework and shops building traditional face-frame kitchens can both spec this slide without switching products. Contractors replacing worn slides in an existing kitchen will find the dual cabinet-type compatibility reduces sourcing decisions on mixed-construction jobs. Homeowners tackling a cabinet upgrade get the full-extension convenience and soft-close quality of a premium undermount without the hardware showing when the drawer is open. Build the drawer box to the MUV specification — nominal length, side thickness, rear notch, and locking-device hole pattern — before installation.
Yes. Undermount slides in the MUV program use front locking devices to fasten the drawer box to the slide. Confirm compatibility with the MUV locking device lineup when ordering; locking devices for other undermount brands do not fit.
The MUV slide supports both face-frame and frameless installations, but face-frame work typically requires rear mounting support to carry the back end of the slide. Check the MUV installation guide for the rear support method required in face-frame applications before building the cabinet.
Not reliably. Undermount slides require drawer boxes sized and notched to the manufacturer's specification, including box width, side thickness, rear notch, and locking-device drilling. A box built to another brand's spec will likely need rework before it seats correctly on the MUV runners.
The source data does not specify whether the MUV soft-close damping is field-adjustable. Check the Knape and Vogt MUV installation documentation for damping adjustment details on this series.
A complete drawer requires one slide on each side. Confirm the sold-as unit at checkout; undermount slides in this catalog are sold as pairs or as individual members depending on the SKU.
Full extension, soft-close, and dual-cabinet compatibility in one 21-inch undermount slide — the MUV program covers the specs that matter most without adding complexity to the build or the order.
Sold In: 1 Set