Search for 19 3/4 x 21. Your search found 312 result(s)

	Product Details	Stock	Price	Purchase
	Aprilaire #4021 Red Orifice The Red Orifice regulates the water flow into the humidifier.  [More...] MFG#: 4021	In Stock	$2.32
	Dynamic Equivalent Air Cleaner Refills - 16" x 21" x 1" - 3 Pack (case of 3 refill pads) Dynamic Air Cleaner Refills - 16" x 21" x 1" - 3 Pack  [More...] MFG#: DPE16X21X1	In Stock	$49.95 (case of 3)
	Fantech HP2133 Low Power Consumption Radon Mitigation Fan for 4" Duct Fantech Radon Mitigation Fan - 4" Duct (HP 2133) - 134 CFM at 0"WC Static Pressure / 68 CFM at .5" WC Static Pressure For applications where lower pressure and flow are needed. Record low power consumption of 14-20 watts! Often used where there is good sub slab communication and lower Radon levels.  [More...] MFG#: HP2133	In Stock	$119.95
	Trion Air Bear 259112-102 MERV 11 Replacement Filter - 20x25x5 (case of 2 Filters) Factory Original OEM Trion Air Bear Filter- 20x25x5 (19 3/4" X 24-1/4" X 4 7/8") RATED MERV 11  [More...] MFG#: 259112-102	In Stock	$49.95 (case of 2) Suggested: $109.95 You Save: $60.00
	Replacement Inline Strainer for Skuttle Humidifiers (000-1319-051) Replacement Inline Strainer for Skuttle Humidifiers (000-1319-051) Fits Models 2000, 2100, 2001, 2101, 2002, 2102, 55, 592  [More...] MFG#: 000-1319-051	9 Pieces In Stock	$4.64
	Phoenix 200 MERV 8 (30%) Pleated Filter - 16x16x2 (4021799) Phoenix 200 MERV 8 (30%) Replacement Filter for original Phoenix 200 Dehumidifier (4021799) and Santa Fe HI-E Dry 195 Dehumidifier (4023631) . Nominal dimensions - 16" x 16" x 2"  [More...] MFG#: 4021799	In Stock	$14.50
	20" X 20" X 5" MERV 11 Replacement For Ultravation Filter (case of 3 Filters) 20" X 20" X 5" MERV 11 Replacement For Ultravation Filter  [More...] MFG#: 259112-102	In Stock	$59.95 (case of 3) Suggested: $75.99 You Save: $16.04
	16" X 16" X 1" MERV 13 Pleated Filter (case of 6 Filters) 16" X 16" X 1" MERV 13 Pleated Filter  [More...] MFG#: 102-101-007	In Stock	$72.99 (case of 6) Suggested: $83.94 You Save: $10.95
	Fantech HP2190 Small Radon Mitigation Fan for 4" Duct - HP 2190 Fantech Radon Mitigation Fan - 4" Duct (HP 2190) - 163 CFM at 0"WC Static Pressure / 81 CFM at 1" WC Static Pressure Performance like the HP190 but in a smaller housing. Performance suitable for the majority of installations.  [More...] MFG#: HP2190	In Stock	$136.95
	Fantech HP190 Radon Mitigation Fan for 4" Duct - HP 190 Fantech Radon Mitigation Fan - 4" Duct (HP 190) - 157 CFM at 0"WC Static Pressure / 89 CFM at 1"WC Static Pressure HP190 - The standard for Radon Mitigation. Ideally tailored performance curve for a vast majority of mitigations.  [More...] MFG#: HP190	In Stock	$139.20
	Aprilaire #213 MERV 13 Replacement Filter, 2-Pack (case of 2 Filters) Aprilaire / Space-Gard #213 Original, OEM High Efficiency Filtering Media - MERV 13 (2-Pack)  [More...] MFG#: 213	In Stock	$86.95 (case of 2)
	Trane/American Standard PERFECT FIT Air Filter (BAYFTFR21P4) (case of 4 Filters) - Genuine OEM Replacement 1" Pleated Air Filter by Trane/American Standard - 21" X 27" X 1" nominal size ( 20.7" X 26.2" X 0.88 actual size) - 4 filters per box  [More...] MFG#: BAYFTFR21P4 / FLR05050	In Stock	$69.95 (case of 4)
	Honeywell Prestige IAQ Comfort System - YTHX9421R5051 Honeywell Prestige IAQ Comfort System - YTHX9421R5051  [More...] MFG#: YTHX9421R5051	In Stock	$254.99 Suggested: $599.97 You Save: $344.98
	24V Drum Motor for Skuttle Drum Humidifiers (A05-1721-042) 24V Drum Motor for Skuttle Drum Humidifiers (A05-1721-042) Fits Models 45, 90, 190, 86  [More...] MFG#: A05-1721-042	In Stock	$28.33
	Bryant/Carrier FILXXFNC-0021 Cartridge Filter (case of 2 Filters) Bryant/Carrier FILXXFNC-0021 Cartridge Filter Size: 19" x 20" x 5" MERV: 8  [More...] MFG#: FILXXFNC-0021	In Stock	$62.95 (case of 2)

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