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33" x 65' (6)
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35-3/8" x 65' (6)
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38-3/4" x 65' (3)
39" x 65' (4)
39-7/8" x 65' (6)
43-7/8" x 65' (6)
44" x 65' (6)
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57" x 65' (6)
58" x 65' (5)
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61-1/4" x 65' (3)
63.375 in (3)
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67-7/8" x 65' (6)
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69" x 65' (6)
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We found 542 products for New Search > "Air and HVAC Filters" > 4 and Below
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4 and Below

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Purolator - P312 Basic Efficiency Standard Poly-Fiber Filters, MERV Rating : Below 4 $15.98 Per Carton
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  • Size: 16 x 25 x 1
  • Quantity : 12 per Carton
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Purolator - P312 Basic Efficiency Standard Poly-Fiber Filters, MERV Rating : Below 4 $15.98 Per Carton
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  • Size: 20 x 20 x 1
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Purolator - F312 Basic Efficiency Standard Fiberglass Filters, MERV Rating : Below 4 $13.85 Per Carton
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  • Size: 20 x 20 x 1
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Purolator - P312 Basic Efficiency Standard Poly-Fiber Filters, MERV Rating : Below 4 $15.98 Per Carton
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  • Size: 16 x 20 x 1
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Purolator - P312 Basic Efficiency Standard Poly-Fiber Filters, MERV Rating : Below 4 $17.51 Per Carton
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  • Size: 20 x 25 x 1
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Purolator - F312 Basic Efficiency Standard Fiberglass Filters, MERV Rating : Below 4 $13.85 Per Carton
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Qty:  

  • Size: 16 x 25 x 1
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Purolator - F312 Basic Efficiency Standard Fiberglass Filters, MERV Rating : Below 4 $15.23 Per Carton
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  • Size: 20 x 25 x 1
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Purolator - P312 Basic Efficiency Standard Poly-Fiber Filters, MERV Rating : Below 4 $21.64 Per Carton
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  • Size: 14 x 24 x 1
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Purolator - P312 Basic Efficiency Standard Poly-Fiber Filters, MERV Rating : Below 4 $16.72 Per Carton
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  • Size: 14 x 20 x 1
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Purolator - F312 Basic Efficiency Standard Fiberglass Filters, MERV Rating : Below 4 $13.85 Per Carton
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Qty:  

  • Size: 16 x 20 x 1
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Purolator - F312 Basic Efficiency Standard Fiberglass Filters, MERV Rating : Below 4 $15.23 Per Carton
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  • Size: 12 x 12 x 1
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Purolator - F312 Basic Efficiency Standard Fiberglass Filters, MERV Rating : Below 4 $23.21 Per Carton
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  • Size: 20 x 30 x 1
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Purolator - P312 Basic Efficiency Standard Poly-Fiber Filters, MERV Rating : Below 4 $22.43 Per Carton
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  • Size: 14 x 14 x 1
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Purolator - F312 Basic Efficiency Standard Fiberglass Filters, MERV Rating : Below 4 $18.69 Per Carton
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  • Size: 14 x 14 x 1
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Purolator - F312 Basic Efficiency Standard Fiberglass Filters, MERV Rating : Below 4 $24.00 Per Carton
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Qty:  

  • Size: 16 x 25 x 2
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Purolator - F312 Basic Efficiency Standard Fiberglass Filters, MERV Rating : Below 4 $26.55 Per Carton
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  • Size: 20 x 25 x 2
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Purolator - F312 Basic Efficiency Standard Fiberglass Filters, MERV Rating : Below 4 $14.39 Per Carton
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  • Size: 14 x 20 x 1
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Purolator - P312 Basic Efficiency Standard Poly-Fiber Filters, MERV Rating : Below 4 $16.72 Per Carton
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Qty:  

  • Size: 14 x 25 x 1
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Purolator - F312 Basic Efficiency Standard Fiberglass Filters, MERV Rating : Below 4 $18.69 Per Carton
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Qty:  

  • Size: 14 x 24 x 1
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Purolator - F312 Basic Efficiency Standard Fiberglass Filters, MERV Rating : Below 4 $14.90 Per Carton
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  • Size: 12 x 24 x 1
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Purolator - P312 Basic Efficiency Standard Poly-Fiber Filters, MERV Rating : Below 4 $17.90 Per Carton
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Qty:  

  • Size: 12 x 12 x 1
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Purolator - F312 Basic Efficiency Standard Fiberglass Filters, MERV Rating : Below 4 $21.64 Per Carton
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  • Size: 24 x 24 x 1
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Purolator - F312 Basic Efficiency Standard Fiberglass Filters, MERV Rating : Below 4 $24.00 Per Carton
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  • Size: 20 x 20 x 2
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Purolator - P312 Basic Efficiency Standard Poly-Fiber Filters, MERV Rating : Below 4 $26.55 Per Carton
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  • Size: 20 x 30 x 1
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Purolator - P312 Basic Efficiency Standard Poly-Fiber Filters, MERV Rating : Below 4 $16.72 Per Carton
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Qty:  

  • Size: 12 x 20 x 1
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Purolator - P312 Basic Efficiency Standard Poly-Fiber Filters, MERV Rating : Below 4 $24.79 Per Carton
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Qty:  

  • Size: 14 x 30 x 1
  • Quantity : 12 per Carton
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Purolator - F312 Basic Efficiency Standard Fiberglass Filters, MERV Rating : Below 4 $14.90 Per Carton
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Qty:  

  • Size: 14 x 25 x 1
  • Quantity : 12 per Carton
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Purolator - F312 Basic Efficiency Standard Fiberglass Filters, MERV Rating : Below 4 $15.23 Per Carton
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Qty:  

  • Size: 16 x 16 x 1
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Purolator - F312 Basic Efficiency Standard Fiberglass Filters, MERV Rating : Below 4 $19.48 Per Carton
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Qty:  

  • Size: 18 x 18 x 1
  • Quantity : 12 per Carton
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Purolator - F312 Basic Efficiency Standard Fiberglass Filters, MERV Rating : Below 4 $14.39 Per Carton
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Qty:  

  • Size: 12 x 20 x 1
  • Quantity : 12 per Carton
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Purolator - P312 Basic Efficiency Standard Poly-Fiber Filters, MERV Rating : Below 4 $21.64 Per Carton
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Qty:  

  • Size: 18 x 20 x 1
  • Quantity : 12 per Carton
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Purolator - F312 Basic Efficiency Standard Fiberglass Filters, MERV Rating : Below 4 $23.02 Per Carton
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Qty:  

  • Size: 18 x 30 x 1
  • Quantity : 12 per Carton
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Purolator - P312 Basic Efficiency Standard Poly-Fiber Filters, MERV Rating : Below 4 $16.72 Per Carton
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Qty:  

  • Size: 12 x 24 x 1
  • Quantity : 12 per Carton
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Purolator - P312 Basic Efficiency Standard Poly-Fiber Filters, MERV Rating : Below 4 $27.15 Per Carton
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Qty:  

  • Size: 20 x 20 x 2
  • Quantity : 12 per Carton
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Purolator - P312 Basic Efficiency Standard Poly-Fiber Filters, MERV Rating : Below 4 $29.11 Per Carton
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  • Size: 20 x 25 x 2
  • Quantity : 12 per Carton
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Purolator - F312 Basic Efficiency Standard Fiberglass Filters, MERV Rating : Below 4 $21.83 Per Carton
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Qty:  

  • Size: 14 x 30 x 1
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Purolator - F312 Basic Efficiency Standard Fiberglass Filters, MERV Rating : Below 4 $22.82 Per Carton
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Qty:  

  • Size: 16 x 30 x 1
  • Quantity : 12 per Carton
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Purolator - P312 Basic Efficiency Standard Poly-Fiber Filters, MERV Rating : Below 4 $16.72 Per Carton
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Qty:  

  • Size: 10 x 20 x 1
  • Quantity : 12 per Carton
  • MERV Rating: Below 4
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Purolator - F312 Basic Efficiency Standard Fiberglass Filters, MERV Rating : Below 4 $19.48 Per Carton
Buy 3+ Save $0.39 Per Carton
Qty:  

  • Size: 18 x 24 x 1
  • Quantity : 12 per Carton
  • MERV Rating: Below 4
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Purolator - F312 Basic Efficiency Standard Fiberglass Filters, MERV Rating : Below 4 $21.64 Per Carton
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Qty:  

  • Size: 25 x 25 x 1
  • Quantity : 12 per Carton
  • MERV Rating: Below 4
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Purolator - P312 Basic Efficiency Standard Poly-Fiber Filters, MERV Rating : Below 4 $21.64 Per Carton
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Qty:  

  • Size: 18 x 24 x 1
  • Quantity : 12 per Carton
  • MERV Rating: Below 4
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Purolator - Permalast® Air Filter Media Rolls, MERV Rating : Below 4 $46.33 Per Carton
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Qty:  

  • Size: 20" x 30' x 1"
  • Quantity : 1 per Carton
  • MERV Rating: Below 4
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Purolator - F312 Basic Efficiency Standard Fiberglass Filters, MERV Rating : Below 4 $28.32 Per Carton
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Qty:  

  • Size: 14 x 18 x 1
  • Quantity : 12 per Carton
  • MERV Rating: Below 4
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Purolator - F312 Basic Efficiency Standard Fiberglass Filters, MERV Rating : Below 4 $20.06 Per Carton
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Qty:  

  • Size: 20 x 24 x 1
  • Quantity : 12 per Carton
  • MERV Rating: Below 4
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Purolator - P312 Basic Efficiency Standard Poly-Fiber Filters, MERV Rating : Below 4 $26.55 Per Carton
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Qty:  

  • Size: 24 x 30 x 1
  • Quantity : 12 per Carton
  • MERV Rating: Below 4
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Purolator - F312 Basic Efficiency Standard Fiberglass Filters, MERV Rating : Below 4 $29.11 Per Carton
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Qty:  

  • Size: 16 x 24 x 2
  • Quantity : 12 per Carton
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Purolator - P312 Basic Efficiency Standard Poly-Fiber Filters, MERV Rating : Below 4 $24.79 Per Carton
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Qty:  

  • Size: 24 x 24 x 1
  • Quantity : 12 per Carton
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Purolator - F312 Basic Efficiency Standard Fiberglass Filters, MERV Rating : Below 4 $19.48 Per Carton
Buy 3+ Save $0.39 Per Carton
Qty:  

  • Size: 18 x 20 x 1
  • Quantity : 12 per Carton
  • MERV Rating: Below 4
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