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Seiho SFB-P dryer vent

Name: Seiho SFB-P dryer vent
Brand: Seiho International

This is a listed vents assembly. Match the model and orientation. A listing is not a permit.

A four- or six-inch anodized-aluminum dryer vent with an attached eight-and-one-half-inch pipe and a flapper backdraft damper.

Kind: prescriptive-product. Brand: Seiho International. Page reviewed 2026-08-24. JSON (CC BY 4.0)

Documented attributes

Each value below points to its field-level manufacturer, official-listing, test-report, or standard-body evidence.

Attribute	Value	Evidence source
Material	aluminum	Seiho SFB-P dryer vent (manufacturer)
Assembly role	dryer vent	Seiho SFB-P dryer vent (manufacturer)
Corrosion resistant	Yes	Seiho SFB-P dryer vent (manufacturer)
Functional closure	Yes	Seiho SFB-P dryer vent (manufacturer)

Published requirement matches

These links are generated from the cited attributes above. They do not decide installation or a project result.

IBHS Base forced-air vent closure · California and Oregon program applicants
IBHS Plus metal forced-air vent closure · California and Oregon program applicants

Models named on the listing

Model	Application
4-inch SFB-P (SFB-4P)
6-inch SFB-P (SFB-6P)

The manufacturer describes a backdraft damper and corrosion-resistant anodized aluminum, not a wildfire test or listing.
Confirm dryer-manufacturer instructions, duct size, clearance, airflow, cleaning access, and local mechanical-code requirements.

Can I use this here

This trace joins product evidence to a sourced code application, then keeps every boundary, map, date, project check, documented constraint match, and still-undocumented field visible. It is not a permit result. Full explorer: Can I use this here.

Set a location for the local trace

Without a place, no local application is inferred. The collapsed jurisdiction index below keeps every sourced static trace available.

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The rule and every matching product for the United States

Requirement constraints (1)

Each table below compares this product's documented attributes against one published requirement. That comparison is a fact about the product and the requirement, and does not change from place to place, so it is printed once.

Requirement constraints (1)

Each table compares this product's documented attributes with one published requirement. That comparison does not change from place to place, so it is printed once here and linked from every jurisdiction below.

California ASTM E2886 vent undocumented
Field	Required	Documented value	State
Test standard	Test standard = astm e2886	Not documented	undocumented

Where this applies

A product is a national record; where it applies is a fact about a place. The rule that binds a given address — and every product matching it — is published on that place's own answer page, linked above and re-linked by the location lens. The complete per-place claim graph for this record, including every open official check, is in its JSON twin.

Sources

Seiho SFB-P dryer vent — Seiho International (manufacturer). Accessed 2026-08-24.

Seiho SFB-P dryer vent. FireApproved. https://fireapproved.com/materials/seiho-sfb-p-dryer-vent/. Last verified 2026-08-24.