Caterpillar 1R-0777 1R0777 Hydraulic/Transmission Filter Fire Blankets Both products share the same

Both products share the same formula

D6H LS Series II

Natural Gas Engine Filter's unique design is built to withstand the demands of harsh working environments

This is what makes CAT engine oil filters supreme:

Caterpillar 1R-0777 1R0777 Hydraulic/Transmission Filter Fire Blankets Both products share the sameAdvanced Efficiency Hydraulic Oil Filters protect your system against accelerated wear with special filter media engineered to provide greater protection in moderate to severe applications. Cat Hydraulic Filters provide the best protection from contaminates and abrasives by keeping them from wearing down the tight tolerances within the high pressure hydraulic system. Cleanliness is the key to maintaining proper lubrication of your sensitive hydraulic