'additional layer'

Donaldson X009748 Air Filter Kit (P821938 + P821963) The Donaldson X009748 is a high-performance air filter kit designed to provide superior engine protection in heavy-duty applications. This kit combines the P821938 primary filter and the P821963 safety filter to ensure optimal filtration performance, safeguarding engines from harmful airborne contaminants. Key Features: Dual-Stage Filtration: The primary filter captures larger particles, while the safety filter provides an additional layer of protection against finer contaminants. RadialSeal™ Technology: Ensures a secure, leak-resistant seal, even under heavy vibration and extreme operating conditions. High-Efficiency Media: Constructed with advanced filtration media to maximize contaminant capture and extend service intervals. Durable Construction: Built to withstand harsh environments, ensuring reliable performance over the filter's lifespan.

Donaldson X009748 Air Filter Kit (P821938 + P821963) The Donaldson X009748 is a high-efficiency air filter kit designed to provide superior engine protection in heavy-duty applications. This kit combines the P821938 primary filter and the P821963 safety filter to ensure optimal filtration performance, safeguarding engines from harmful airborne contaminants. Key Features: Dual-Stage Filtration: The primary filter captures larger particles, while the safety filter provides an additional layer of protection against finer contaminants. RadialSeal™ Technology: Ensures a secure, leak-resistant seal, even under heavy vibration and extreme operating conditions. High-Efficiency Media: Constructed with advanced filtration media to maximize contaminant capture and extend service intervals. Durable Construction: Built to withstand harsh environments, ensuring reliable performance over the filter's lifespan.