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18x18x1 Air Filters

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M1118181-12 18x18x1 Micro Allergy Pleated Filter MERV 11 (12 Pack)

Actual Size 17-1/2"x17-1/2"x7/8"

Our Price: $106.95 for (12) Filters
85655.011818-12 18x18x1 Micro Allergy Pleated Filter MERV 11 (12 Pack)

Actual Size 17-3/4"x17-3/4"x3/4"

Our Price: $128.95 for (12) Filters
M1118181-6 18x18x1 Micro Allergy Pleated Filter MERV 11 (6 Pack)

Actual Size 17-3/4"x17-3/4"x3/4"

Our Price: $69.95 for (6) Filters
17.5"x17.5"x.75" 18x18x1 Pleated Filter MERV11 (4 Pack)

Actual Size 17-3/4"x17-3/4"x3/4"

Our Price: $60.92 for (4) Filters
17.5"x17.5"x.875" 18x18x1 Micron GREEN Pleated Filter MERV 13 (12 Pack)

Actual Size 17-1/2"x17-1/2"x7/8"

Our Price: $145.95 for (12) Filters
17.5"x17.5"x.875" 18x18x1 Micron GREEN Pleated Filter MERV 13 (6 Pack)

Actual Size 17-3/4"x17-3/4"x3/4"

Our Price: $106.95 for (6) Filters
17.5"x17.5"x.75" 18x18x1 Micron GREEN Pleated Filter MERV13 (4 Pack)

Actual Size 17-3/4"x17-3/4"x3/4"

Our Price: $70.20 for (4) Filters
HVP18181-12 18x18x1 Dust & Pollen Pleated Filter MERV 8 (12 Pack)

Actual Size 17-1/2"x17-1/2"x7/8"

Our Price: $83.95 for (12) Filters
ZLP18181-12 18x18x1 Dust & Pollen Pleated Filter MERV 8 (12 Pack)

Actual Size 17-1/2"x17-1/2"x7/8"

Our Price: $98.95 for (12) Filters
ZLP18181-6 18x18x1 Dust & Pollen Pleated Filter MERV 8 (6 Pack)

Actual Size 17-3/4"x17-3/4"x3/4"

Our Price: $63.95 for (6) Filters
17.5"x17.5"x.75" 18x18x1 Pleated Filter MERV8 (4 Pack)

Actual Size 17-3/4"x17-3/4"x3/4"

Our Price: $39.28 for (4) Filters
ZLN181814AC-12 18x18x1 MERV 8 - Carbontron Odor Reducing Pleated Filters (12 Pack)

Actual Size 17-1/2"x17-1/2"x7/8"

Our Price: $221.95 for (12) Filters
PTA18181-12 18x18x1 Poly-Value Polyester Filters (12 Pack)

Actual Size 17-5/8"x17-5/8"x3/4"

Our Price: $51.95 for (12) Filters
GDS18181-12 18x18x1 Fiberglass Filters (Pack of 12)

Actual Size 17-5/8"x17-5/8"x3/4"

Our Price: $52.95 for (12) Filters
   
 

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