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16" X 20" Steel Return Air Filter Grille [Fixed Hinged] for 1-in


16" X 20" Steel Return Air Filter Grille [Fixed Hinged] for 1-in


Product Description

Return Air Filter Grille with Removable Door Return Air Filter Grille with Removable Door Filter included Return Air Filter Grille Return Air Filter Grille with Removable Door Flat Stamped Steel Return Air Grill Heavy Duty Flat Stamped Steel Return Air Grill
Return Air Filter Grilles Heavy Duty Return Air Filter Grilles Filter Included Heavy Duty Return Air Filter Grilles Fixed Hinged Heavy Duty Return Air Filter Grilles Flat Return Air Grille Flat Heavy Duty Return Air Grille
Screws Included ✓ ✓ ✓ ✓ ✓ ✓
Recommended for Wall/Ceiling Wall/Ceiling Wall/Ceiling Ceiling Wall/Ceiling Wall/Ceiling
Uses 1-Inch Thick Filter ✓ ✓ ✓ ✓
Is Filter Included? ✓
Outer Dimensions Duct Opening Size + 2 5/8" Duct Opening Size + 2 5/8" Duct Opening Size + 2 5/8" Duct Opening Size + 2 5/8" Duct Opening Size + 1.75 Duct Opening Size + 1.75
How to order? Order by Duct Opening Dimensions Order by Duct Opening Dimensions Order by Duct Opening Dimensions Order by Duct Opening Dimensions Order by Duct Opening Dimensions Order by Duct Opening Dimensions
Removable Door ✓ ✓ ✓ Fixed Hinged Door (The Door is Not Removable) NO DOOR NO DOOR

16" X 20" Steel Return Air Filter Grille [Fixed Hinged] for 1-in

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Africa Groundwater Literature Archive

A searchable database of references of groundwater literature, both published and unpublished.


The website for the Association of Geoscientists for International Development is no longer hosted by the BGS. Please visit the new website.


Bioaccessibility Research Group of Europe — BARGE.


The British Isles continuous GNSS Facility (BIGF) supports research scientists with archived RINEX format GNSS (Global Navigation Satellite System) data, metadata and derivative products.


Strengthening Capacity in Environmental Physics, Hydrogeology and Statistics for Conservation Agriculture Research — CEPHaS.

Firecolor Mobile Game Finger Sleeve Breathable Anti-Sweat Full T

The Centre for Environmental Geochemistry (CEG) is a collaborative research centre between the University of Nottingham and the BGS.

by The Colors Charm Packs - Quilt Making - Sunrise Ridge Concept

The impaCt of hydrOcarbon depletioN on the Treatment of cAprocks within performance assessment for CO2 InjectioN schemes — CONTAIN.

CO2 stored

The UK Storage Appraisal Project (UK SAP) was commissioned and funded by the Energy Technologies Institute (ETI) to provide a comprehensive, auditable and defensible estimate of UK CO2 storage capacity.

Taidda Jewelry Handpiece, Practical Engraving Handpiece for Pneu

Addressing the impacts of climate change on engineered slopes for infrastructure.


Pollution from historic metal mining in the UK.


A distributed intelligent heat pulse sensor (DiHPS) network for the quantification of subsurface heat and water fluxes.


Diagnostic seismic toolbox for the efficient control of CO2 storage developing sophisticated, seismic methods to monitor underground carbon dioxide storage sites.

Earth data models

Open, ready-to-use database designs that are free for all.


The European Plate Observing System (EPOS), UK steering group.


The Energy Research Accelerator (ERA) is at the forefront of energy transformation.


The Earth Science Education Forum for England and Wales (ESEF(EW) aims to promote earth science in education at all levels by sharing information and supporting current and future initiatives.


EURARE is a project funded by the European Commission for the 'Development of a sustainable exploitation scheme for Europe's rare earth ore deposits'.


Fate of repository gases — FORGE.

Foundations of the Mendips

An interactive guide to the natural and artifical landscapes of the Mendip Hills.

GB3D Type Fossils Online

JISC-funded project to develop a database of the type specimens, held in British collections, of macrofossil species and subspecies found in the UK, including links to photographs and 3D digital models.

Floor Lamp, 3-Way Dimmable Touch Control Standing Light, 2 USB C

GeoWeek is a new initiative that aims to promote active geoscience via a week of fieldwork activities taking place across the UK.


Geological Survey of Northern Ireland.

Robert Sorby Sizing Tool for Tenons and Spindles Fits Parting or

GWatt aims to develop a better understanding of fluid and heat flow in deep fractured rocks, in order to improve and encourage the utilisation of geothermal energy in the UK.

HiTech AlkCarb

This project is to develop new geomodels and sustainable exploration methods for alkaline igneous rocks and carbonatites.


International Association of Geomagnetism and Aeronomy Division V: geomagnetic observatories, surveys and analyses.


The website for Isotopes in Biogenic Silica (IBIS) is no longer hosted by the BGS. Please visit the new website.


International Continental Scientific Drilling Program UK.

IODP in the UK

The UK is a member of the International Ocean Discovery Program (IODP) as part of the European Consortium for Ocean Research Drilling (ECORD).

Irish historical geological maps

A range of historical geological maps, sections and memoirs of Ireland, mostly from the 19th century.


Landslide multi-hazard risk assessment, preparedness and early warning in South Asia integrating meteorology, landscape and society.

Liberian Geological Survey

This is the official website of the Liberian Geological Survey (LGS), a component body of the Liberian Ministry of Lands, Mines and Energy (MLME).


Lithium for Future Technology.


Up-to-date information on mineral exploration, mining, production and trade.

National Environmental Isotope Facility (NEIF)

NEIF is an integrated platform of state‐of‐the‐art isotope and organic geochemistry analytical capabilities and specialisms.


Creating a dynamic digital geological map for the world.


The PROTection of European Cultural HEritage from GeO-hazards (PROTHEGO) project aims to make an innovative contribution towards the analysis of geohazards in areas of cultural heritage in Europe.

Classroom Calendar Pocket Chart, School Calendar for Kids Learni

Probability, Uncertainty and Risk in the Environment (PURE) provides free access to metadata for model codes and their applications (model instances).

Radioactivity and the environment

The high level goal is to build UK capacity in radioactivity and the environment.

SADC Groundwater Grey Literature Archive

An archive of groundwater literature from the Southern African Development Community (SADC).


SHEAR carries out innovative research in the most hazard-prone parts of the world to better understand and predict disasters, and minimise the risk they pose to vulnerable communities.

SoS Minerals

Security of Supply of Mineral Resources (SoS Minerals) is an interdisciplinary research programme funded by NERC, EPSRC and FAPESP focusing on the science needed to sustain the security of supply of strategic minerals in a changing environment.


The SoS RARE project was a consortium project funded by NERC and EPSRC under the Security of Supply of Mineral Resources (SoS Minerals) science programme, running from 2015 to 2019.

Tetrapod World

Early evolution and diversification of tetrapods: discovering how tetrapods splashed out!

The Lyell Centre

The purpose-built facilities enable the British Geological Survey (BGS) and Heriot-Watt University (HWU) to build on their expertise in land and marine conservation, geology and geoscience.


The aim of the UK Alliance for Disaster Research (UKADR) is to bring together the UK's disaster research community, to facilitate collaboration and partnership in order to aid representation of the research community.

UKCCS Research Centre Archive

The UKCCSRC Archive holds digital data outputs generated by UKCCSRC funded research projects and makes them available to search and download.


The UK Soil Observatory (UKSO) is a gateway to discover soil property datasets on the web or via smartphone apps.


The Volcanic Global Risk Identification and Analysis (VOGRIPA) project aims to provide systematic information on global volcanic activity, hazards and vulnerability.

World Data Centre for Geomagnetism

The Geomagnetism team of BGS hosts the World Data Centre for Geomagnetism in Edinburgh, a node of the World Data System (WDS) established by the International Council of Scientific Unions (ICSU).

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