Unifilter Model 77B

Key Specifications

Manufacturer: General Oil
Part Number: 9300
Model Name: 77B
Type: Oil Filter
Warranty (Years): 1 year except filter cartridge

Maintenance

Annual filter maintenance

Other Information

10 GPH Firing Rate.
Working pressure = 40 PSI.
ETL Listed.
3/8″ NPT Standard.
Durable Epoxy Coated Galvanized Steel Filter Bowl, inside and out.
4EVERLoc Bottom Bolt Design.

Manufacturer: General Oil
Part Number: 9300
Model Name: 77B
Type: Oil Filter
Filter: Yes
Packaging: 12/Pk 600/Pallet
Maintenance: Annual Filter replacement
Warranty (Years): 1 year except filter cartridge

PARTS

Part Name	Ref #	GFI #	Qty Req'd	Price
RF-1BG micRoFiber Replacement Cartridge With BioGasket	9312	9312	99883	$10.62
RF-1 micRoFiber Replacement Cartridge	9012	9012	9536	$4.82
88CR Wool Felt Replacement Cartridge	9009	9009	99638	$4.82

RF-1BG micRoFiber Replacement Cartridge With BioGasket

GFI# 9312 Ref # 9312

$10.62 Qty Req'd: 99883

RF-1 micRoFiber Replacement Cartridge

GFI# 9012 Ref # 9012

$4.82 Qty Req'd: 9536

88CR Wool Felt Replacement Cartridge

GFI# 9009 Ref # 9009

$4.82 Qty Req'd: 99638

Cleaner Air Starts With Better Understanding

Explore helpful articles about indoor air quality highlighting aspects to help inform and educate on a variety of IAQ-related topics such as allergies and asthma, to asset protection and energy savings.

Blog Articles & Editorials

General Filters Announces Appoints New Director of Sales and Marketing

General Filters is delighted to welcome Eric Miller as the

Videos & Training

Video: GeneralAire Cartridge Air Filters Features and Benefits

Blog Articles & Editorials

Why We’re Still Breathing Dirty Indoor Air – New York Times

The pandemic and recent wildfires have shown how unhealthy indoor

Trust a Pro for Healthy Home Solutions

Whole-home installs and servicing should be handled by a certified contractor. Connect with a trusted professional near you to ensure long-lasting comfort, protection, and performance.