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NOTE: As of 4/13/26, Omega National's prefix has changed from NP to RS. This part number has changed from NP09081SS42SM1 to RS09081SS42SM1.
40-7/16" silver-metallic straight T-shaped liner gives a defined metal interior surface for a compatible wood range hood, so the hood opening matches the Sirius SUT90870M power module and keeps the installation centered on the specified opening size. Omega National Products branding ties this liner directly to a known range hood component line, which matters when matching parts within a kitchen project that already uses Omega National wood range hoods. The notched hood liner design creates a shaped metal surround for the power module area, so the 19-7/16" x 10-3/16" opening is established by the liner instead of field-measuring every edge during layout. Silver metallic color with a powder coated finish forms a uniform metal surface that visually defines the blower opening inside the hood, which helps deliver a clean interior appearance around the active power module zone.
The 42 straight liner for SUT90870M description identifies this part as a straight-style liner sized for range hood layouts built around the Sirius SUT90870M power module, so the cutout and liner span follow that specific opening requirement. The 19-7/16" x 10-3/16" opening dimension gives the installer a defined rectangle to work around when building or modifying a wood range hood cabinet, which streamlines marking, cutting, and positioning steps around the power module zone. The T-shaped liner form works with the straight configuration to create a predictable interior footprint in the hood cavity, allowing the cabinet structure to be planned so the liner edges and opening land where the power module needs to sit.
This Omega National range hood liner is identified as a notched hood liner for a Sirius SUT90870M power module, so its role is to line the inside of a compatible wood range hood that is built for that specific module size. The 40-7/16" straight length positions the liner in projects where the hood width aligns with that span, tying the interior metal surface to a predictable outside cabinet dimension. The 19-7/16" x 10-3/16" opening is described as the power module opening, which places this liner in installations where the Sirius SUT90870M blower assembly will occupy that central cutout. The range hood liners category reference places this part within wood range hoods work, meaning it serves as the internal metal lining piece rather than an exterior decorative shell.
The 40-7/16" silver-metallic straight T-shaped liner dimension gives a precise length that can be coordinated with hood cabinet drawings, helping align framing, panel joints, and face treatments to the liner span so the power module opening lands in the designed location. The specified 19-7/16" x 10-3/16" opening acts as a fixed template for the Sirius SUT90870M power module, allowing the installer to base cutouts and clearances on that measurement instead of interpreting blower size on site. The powder coated silver metallic surface creates a defined, durable-feeling metal interior for a wood range hood, which is important when the power module concentrates airflow and activity around the liner edges. The manufacturer part number 09081SS42SM1 ties all of these details to a single identifiable liner, simplifying reorders or matching across multiple hoods in the same project where the same SUT90870M module is used.
The liner is described as a 40-7/16" silver-metallic straight T-shaped liner, so installers can plan hood width and interior framing around that specific liner span.
The liner provides a power module opening of 19-7/16" x 10-3/16", matching the described Sirius SUT90870M power module area for consistent cutout sizing.
The web description states it is a notched hood liner for Sirius SUT90870M, so it establishes the opening dimensions specifically for that power module.
The silver metallic color with a powder coated description provides a uniform coated metal surface inside the wood range hood around the power module area.
The liner is identified by manufacturer part number 09081SS42SM1, helping specifiers and installers reference the exact liner in drawings and orders.
The liner is listed under range hood liners in the wood range hoods category, indicating its role as the internal metal liner component in that assembly.
The 42 straight liner for SUT90870M description, combined with the 40-7/16" length and 19-7/16" x 10-3/16" power module opening, gives a clear picture of how this Omega National liner fits into wood range hood projects built around the Sirius SUT90870M. When those dimensions align with the planned hood cabinet, this silver-metallic, powder coated liner provides the defined interior metal surface and opening size needed to complete the SUT90870M-based range hood layout.
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