Filter King 17.5 × 58.5 × 1″ Air Filters • Nominal size: 17.5″ × 58.5″ × 1″ (actual ~17.5 × 58.5 × 0.75″) • Pleated panel filter, cardboard frame • MERV-8 rating (standard HVAC filtration) • Sold as a 4-pack — the “-4” at the end indicates quantity in the pack
This part number (SKU FK17.5x58.5x1-M8) matches a Filter King filter designed for furnaces, air conditioners, and HVAC systems where this exact size is needed
