A filter media , comprising: a non-woven web comprising: first synthetic fibers having an average fiber diameter of greater than or equal to about 15 microns, wherein the weight percentage of first synthetic fibers of all fibers in the non-woven web is greater than or equal to about 40 wt.%; and second synthetic fibers having an average fiber diameter of greater than or equal to about 0.5 microns and less than about 15 microns, wherein the weight percentage of second synthetic fibers of all fibers in the non-woven web is less than or equal to about 50 wt.%, wherein the total weight percentage of binder in the non-woven web is greater than or equal to about 5 wt.% and less than or equal to about 40 wt.%, wherein the surface average fiber diameter SAFD of the non-woven web is greater than or equal to about 13 microns and less than or equal to about 17 microns and is measured using the formula: SAFD in microns = 4 SSA ρ in g cm 3 wherein SSA is the BET surface area of the non-woven web in m 2 /g and ρ is the density of the non-woven web in g/cm 3 , and wherein the basis weight of the non-woven web is less than or equal to about 110 g/m 2 ; and an efficiency layer . a non-woven web comprising: first synthetic fibers having an average fiber diameter of greater than or equal to about 15 microns, wherein the weight percentage of first synthetic fibers of all fibers in the non-woven web is greater than or equal to about 40 wt.%; and second synthetic fibers having an average fiber diameter of greater than or equal to about 0.5 microns and less than about 15 microns, wherein the weight percentage of second synthetic fibers of all fibers in the non-woven web is less than or equal to about 50 wt.%, wherein the total weight percentage of binder in the non-woven web is greater than or equal to about 5 wt.% and less than or equal to about 40 wt.%, wherein the surface average fiber diameter SAFD of the non-woven web is greater than or equal to about 13 microns and less than or equal to about 17 microns and is measured using the formula: SAFD in microns = 4 SSA ρ in g cm 3 first synthetic fibers having an average fiber diameter of greater than or equal to about 15 microns, wherein the weight percentage of first synthetic fibers of all fibers in the non-woven web is greater than or equal to about 40 wt.%; and second synthetic fibers having an average fiber diameter of greater than or equal to about 0.5 microns and less than about 15 microns, wherein the weight percentage of second synthetic fibers of all fibers in the non-woven web is less than or equal to about 50 wt.%, wherein the total weight percentage of binder in the non-woven web is greater than or equal to about 5 wt.% and less than or equal to about 40 wt.%, wherein the surface average fiber diameter SAFD of the non-woven web is greater than or equal to about 13 microns and less than or equal to about 17 microns and is measured using the formula: SAFD in microns = 4 SSA ρ in g cm 3 wherein SSA is the BET surface area of the non-woven web in m 2 /g and ρ is the density of the non-woven web in g/cm 3 , and wherein the basis weight of the non-woven web is less than or equal to about 110 g/m 2 ; and an efficiency layer . <EOS>